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Logitech Gaming Software

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Logitech gaming software (called LGS -- Logitech Gaming software) is an older software which for newer devices was replace by G hub.  another prtty capritious move by Logitech as G-pad does not support older hardware like G512s keyboard. It does support G600 mouth.

It does not allow to assign macro to key combinations, like Microsoft Intellitype. This is a very important shortcoming. To partially overcome this inherent in G-key limitation of the number of macros that you can use, Logitech implemented a row of three "register" keys (called M-keys) at the top of "macro-pad" and selected keyboards that have macro keys. For example  Logitech G910 Orion Spark, which is kind of the last of Mohicans or the line of Logitech keyboard with more then 6 macro keys. Which triples the total. 

But generally discontinuation of G13 macro pad and G512s keyboard is a death sentence for Logitech from the point of view of using it by system administrators. It is just a matter of time when you keyboard or macro pad goes south. At this point you need to switch to Razer, or other manufacturer with macro pads.  In this sense starting using Logitech in 2019 might be a dead end.

Also from the point of view of system administrator limiting macro keys to special G keys is far from an elegant solution. More like "Christmas-tree" type of engineering solution.  Numpad is usually not used by sysadmins and most of keys on the numpad can naturally serve as macro keys.  There might be  a perverted way to do this by reassigning them in registry to F keys in Windows registry, and then using capability of using F keys on some of Logitech products.

Another problem is that Logitech abruptly discontinue perfectly good products such a G510s keyboard, G13 macro pad, so you already is a little bit vary using their products as tomorrow  the product that you get used to will no longer be produced.

The quality of this Logitech software is average, or below average but it does the basic things right. Recognition of the game or software and switching to it is subpar and in my experince if  often missed the switch to proper software. Some software behaves better then other. Also periodically it completely losses the "touch with reality" and profiles stop working. Invoking LGS GUI interface usually solves this problem, If not then logging off and then logging again is your only option. Recently, when I dwitched from Cygwin to Cygwi64  I experienced problem when you can't create additional profile for the Cywin64 terminal emulator,  unless you are the admin, but this can be solved by switching to root and creating such profile. After that you can modify it while being logged as a regular user.  

You can make you main  the selection "sticky" by assigning it default profile status to compensate for that, but  this solve the profile just for one application (for example Frontpage). On keyboards that have capability to select profile (like G510S) you can push the up or down key until correct profile is current and "lock it"

The software allows drag and drop macro assignment to the keys, but macros created for keyboard can' be used with mouse.

You can backup you configuration but this is a tricky process.


For all Logitech G line products configuration and macros functionality requires installation of drivers and software to function properly. This should be as adminisrator, but upgrades can be done as a regular user. The software Logitech provides is called Gaming Software or LGS. It. The Logitech Web page detects your version of Windows automatically and suggest the version on LGS to install  

Logitech Gaming Software - Logitech Support

Software Version: 8.57.145
Post Date: Oct 28, 2014
OS: Windows 8, Windows 7, Windows Vista
File Size: 65.7 MB

Updated Description:

•Added support for the G910 Orion Spark Gaming Keyboard
Added Input Analysis support for the following devices: G910, G510s, G19s, G105, G13
•Updated LED Illumination SDK to support the G910 gaming keyboard -- see for details
•Optimizations and applet bug fixes for Arx Control built-in applets

You can also update software from within LGS. Click on ^ sign above ? (help) button in GUI and select "check for updates".

Note of key functionality

It provides approximately the same functionality as Microsoft Intellitype/Intellipoint with some additional limitations and worse interface.

Logitech software designers are clearly subpar to Microsoft.  Architecture is generally thesame -- both Microsoft and Logitech use XML for strong profiles and macros. Microsoft stores macros as individual files, but Logitech does not -- each macro that you created is just a part of profile.

The major limitation is that you can't redefine such keys as numeric pad keys, stop key for multimedia, etc. The only permissible target assignment for macros are G-keys. That's a very limiting architectural decision, which makes the product look amateurish in comparison with alternatives such as Microsoft Sidewinder.   On G510s (and of G13 keypad) it is not acutely felt as this keyboard have plenty of keys (18 keys is generally enough), but on other keyboard this is a serious limitation. It might be better to use Microsoft keyboard with G13 keypad that to buy more expensive Logitech keyboards. 

The only target assignment for macros are G-keys. That's a very limiting architectural decision, which makes the product look amateurish in comparison with alternatives such as Microsoft Sidewinder.  

But the ability to write macros in LUA changes everything.  It is really a step forward as you can use full-fledged scripting language for generation of strings (for example various types of timestamp) text transformations, etc.

The other problem is LGS is a rather closed software. Individual profile have their individual XML files, but macros don't. They are just fragments of the profiles.  Profiles are stored as individual XML files with the automatically generated names in

"C:\Users\JoeUser\AppData\Local\Logitech\Logitech Gaming Software\"

That makes some operations difficult (moving macro from one profile to another). But there is possibility to copy the whole exiting profile under a new name and modify it for new application. Operations Export and import  available in profile bar in GUI permit accomplishing exactly this.  See also Operations with macros.



Initially a single profile called default profile exists. Commands and macros from this profile are applicable to all the applications unless they are overwritten by application-specific profile macros.

Each application can have a profile attached to it. That means that your macros can be made application specific.  You need to  access the profile bar  in order to maintain existing profiles and create new. To do so:

Here is relevant part of Logitech FAQ that describes the creation of a new profile:

To create a new profile:

  1. Open the Logitech Gaming Software:

    Start > All Programs > Logitech > Logitech Gaming Software 8.x

  2. Click the glowing G-Keys.
  3. Move the cursor over the "+" icon in Profiles and look for the down arrow to appear.
  4. Click the down arrow under the "+" and click "Create New Profile."

    This window will pop up showing what is required to set up a profile.

    • Name - Enter a name for your new profile.
    • Description - (Optional) Add a description of the profile.
    • Select Game Executable - Locate and select the  .exe file.

      NOTE: Some games use launcher .exe applications, so make sure the profile is associated with the game's .exe file and not the launcher's. Other games use separate .exe files for single and multiplayer modes (for example, Call of Duty). If your profile isn't working, check Task Manager after the game has launched to determine if it's associated with the correct .exe. (See 28140 for more information.)

    • Lock profile while game is running - Sometimes, background applications may jump to the "top" and disrupt your profile from activating. If this happens, you can select this check box to lock the profile so it's active regardless of the "top" application. Locking a profile may also help where the profile works when the game is launched, but stops working afterward.
    • Copy from an existing profile - If you prefer, you can base a new profile off one that already exists. This is useful when you're making profiles for games with both single and multiplayer .exe files.

      NOTE: If you have a G-Series keyboard with an LCD screen installed, you'll see a slightly different window with an additional option.

    • Select using GamePanel display - Select this option if you're having trouble associating a profile with the correct .exe (see 28139 for more information).
  5. Click OK to finish setting up your new profile.

Your new profile should now be visible in the Profiles area at the top of the window. If the Logitech Gaming Software was able to detect an icon for the application before, it should appear with your profile

You can print profile using print icon on the profile bar. That provides very convenient cheat-sheets.

You can print profile using print icon on the profile bar. That provides very convenient cheat-sheets.

Here are some additional links from Logitech FAQ

Managing profiles for the G510s Gaming Keyboard using Logitech Gaming Software -

You can configure your gaming keyboard to behave differently for each program on your computer using the Profiles feature in the Logitech Gaming Software (LGS).

NOTE: Every profile created is shared with other installed LGS-compatible products, so a profile chosen for a keyboard will be the same profile used by an LGS-compatible mouse.

To learn about:

For help with:

Fragility of LSF and loss of profiles

LSF is very fragile software. In case your PC or laptop crashes, you can lose some or all of your profiles. It's already happened to me. So it is important to backup them periodically and each time when you made a change.

The simplest way is export them to XML. You can import them later, in case they are wiped out by the crash. 

Macros in LGS

The macro and quick key functions are easy to use. They can be assigned to profiles for individual programs, for example Frontpage. Macro recorder allows recoding intervals between key presses. There are two ways to record macros:

You can create a profile and assign record macros for ANY program. Just open up the key profiler program, and select the program's EXE file, and give it a name.

In "G-screen" software displays the G-keys and profile bar. If you hover the mouse on the particular G-key, the key is highlighted and the down arrow appears. Clicking of it brings menu which consist of several items, which corresponds to multiple ways to create your macros:

After you select the function to assign the key, click OK. This will apply the new function and you'll see it named with the name you have chosen over the key in the window (for example the key will be labeled as "Forward", "Back", "Left", and "Right", etc).  To unassigned a G-Key, either right-click and select "Unassign", or drag the command from the key to the trash icon in the LGS window.

See Programming gaming keyboard G-Keys using Logitech Gaming Software - Logitech FAQ

You can record macros on the fly and assign them to selected G-key:

LUA scripting

Each profile can have one script attached to it. You can access the script editor in order to maintain scripts from the main Gaming Software window. To do so:

The built-in Script editor window is displayed. You can use its menus and features to perform a range of tasks, including the creation and saving of new scripts, and the importing and exporting of scripts.

All profile scripts are activated when the profile is activated and deactivated when the profile is deactivated.
There is Lua support material available, describing how scripting works, the functions available, and so on, as well as some samples and other documentation. This documentation is accessible from the Help menu of the Script window.

LUA functions

The functions available to you in Lua fall into two categories:

  1. G-keyboard LUA API: functions added to the Lua engine by Logitech. These are documented in the Scripting API that can be accessed via the script editor Help menu.
  2. A subset of LUA built-in functions. Only a subset of functions that came with the Lua engine (i.e. built-in functions defined by the LUA language specs) can be used. These can be accessed via the script editor Help menu.

The following LUA built-in functions described in the Lua Online Reference are not available in Logitech's implementation:

and possibly debug.*. In Logitech forum was reported that debug.traceback() will crash the software, but other debug functions may work.

So LUA functionality is severely castrated. Especially bad is absence of file.* and io.* packages. You can work only with the clipboard. No functions built into Logitech implementation of Lua that give you direct access to Windows DLLs and Logitech doesn't provide any wrapper functions.

See also Logitech G-keyboards LUA Scripting

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[Jun 02, 2014] Great All Around Keyboard ~ Programmable Keys are Useful for Work Too!

May 18, 2013 | Amazon


Vine Customer Review of Free Product ( What's this? )

The Logitech G510s Gaming Keyboard is handsome, well designed, and well built. The main features of this keyboard are the Game Panel LCD which displays information via applets, and the 18 programmable G-Keys that can be set to do any number of things including playing back macros, running LUA scripts, running programs, etc. Although it's marketed as a gaming keyboard, the programmable G-keys can be highly useful for normal windows/work-related tasks, especially if you need to repeat operations.

To get the most out of the Logitech G510s, you need to install the excellent G software. The software enables backlight color control, activates the Game Panel, and most importantly enables G-Key programming capability. The Logitech G software is quite powerful but still simple to use, and if you own other Logitech G products, you can configure and control all of them from the Gaming Software control panel. With the G software installed, you can also record marcos on the fly using just the keyboard.

I used to own the Logitech G13 Programmable Gameboard which also incorporates a Game Panel LCD and has 27 programmable G-keys. The main issue with the G13 is that it serves as a keyboard replacement during gaming and using it outside of gaming is cumbersome since it's bulky and lacks keyboard functionality. The G510s is an excellent compromise since it offers both programmability and normal keyboard function in a single device. It should be noted that you can switch between 3 memory slots so the 18 programmable keys map up to 54 commands per game. The G510s lacks onboard memory as compared to the G13, so your macros and scripts are saved and executed in software. The drawback of not having onboard memory is that the Logitech G software needs be running at all times, and if want to use the keyboard with another PC, you will need to bring the software and custom profiles with you. The presence of onboard memory happens to be one of the main ways companies differentiate between mid-range and high-end products.

The typing experience on the Logitech G510s is more or less on par with what you get with good membrane keyboards. The keys activate with moderate finger pressure, the start and end of a keystroke are relatively crisp, and the keyboard doesn't make much noise even when mashing buttons. I've switched to mechanical keyboards and I personally prefer the tactile feel and precision offered by a good mechanical keyboard, though compared to the G510s, mechanical keyboards are often light on features. The programmable G-Keys and excellent multimedia controls make the Logitech G510s is very tempting choice for my home computer. While not as precise as a mechanical keyboard, I think the G510s is suitable for most users and it is highly usable in a variety of environments. Keep in mind that it is physically wider than most keyboards due to row of G-keys to the left, but that's a small price to pay for the increased functionality.

Logitech is one of the top brands for PC peripherals, and this has been earned by their willingness to pay attention to details while upholding a reputation for quality and good customer service. An example of this attention to detail can be found in the quality paint job: there appears to be a clear coat or something like it, so the little designs around the arrow and G-keys are protected and shouldn't fade with use. Also, while the paint on the keys makes them a little shiny, the combination feels durable and substantial, exuding a feeling of quality. Overall, I think the Logitech G510s is a solid keyboard with many real value-added features.


1) Logitech deserves praise for the USB implementation for the audio functions: the headphone/microphone ports are driven by an integrated USB audio controller that is only activated/installed when you plug in a pair of headphones. Lesser keyboards either have pass-through analog extensions which may degrade audio quality, or they have a always-on USB audio solution that changes your system default audio device to the keyboard instead of your sound card. Ultimately, the G510s presents itself to your system as a single USB compound device which is preferred over lesser keyboards which require a USB 2.0 hub to incorporate macro/keyboard/audio functions.

2) The silver WASD buttons threw me off for several days. I found that I consistently placed my hands a bit too far to the right, perhaps in a subconscious attempt to avoid the silver blight. I can touch type, and by feeling for the little marks on the F and J keys, I could correct myself, but it still took a few days to get used to it.

3) The backlight isn't particularly bright and the lettering on WASD can be hard to see in bright lighting with the backlight enabled. I would prefer if Logitech provided some swappable keycaps so I can remove the silver blight that is WASD.

Not just for gaming!

By JMJ on November 7, 2013

I don't play games on my computer but I use it a lot at night for business and the lighted keyboard is awesome, I don't need to turn on any lights in my office because it is lit and I can use the short cut keys to start other programs I regularly use. I would recommend it highly even for non-gamer's.

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