10 Best Free Game Booster Software

Here are 10 best free game booster software. These game booster software let you boost your system for playing games easily. All these game booster software are completely free and can be downloaded to Windows PC. These game booster software offer various features, like: boost your system performance while playing games, lets you play games smoothly on your system, can boost manually or automatically by closing unnecessary applications, services or processes, can create various types of profiles, can switch off game mode after playing games, and more. So, go through this list of free game booster software and see which ones you like the most.

You can also check out best free parental control software and best free virtual drive software.


Razer Game Booster

Razer Game Booster is a game boosting software available free. It improves the game performance and lets you play smoothly on your PC. To use it, you have to create a free account with it providing an email id and password. You can manually or automatically boost the game by closing the unnecessary applications. It can close unnecessary processes, Windows updates etc. It also lets you to take screenshots and video recording of games. It has various tools including boost tool, tweak tool, drivers tool, and defrag tool.

Wise Game Booster

Wise Game Booster is a free game boosting application for Windows. It can boost your PC performance when you want to play game on your PC. It can achieve the optimization by maintaining system, process, and service optimizer. You can use Optimize All option to do the optimization task easily and safely. It can improve your PC performance by shutting down unnecessary processes and services. It is small in size and easy to install and uninstall.

ToolWiz Game Boost

ToolWiz Game Boost is a free game boosting software for your PC. It improves the performance of your PC while you play games. It allocates maximum system resources to the game by shutting down various unnecessary processes and services. It has various check boxes for various options to choose from. By default it checks all the check buttons itself. It also lets you defrag the path of the game folder. By clicking on the Enter Game Boost Mode button you can easily start the process of boosting performance.

Mz Game Accelerator

Mz Game Accelerator is a free game booster for Windows. It has various options to apply including temporary stop unused windows services, clean and defrag (RAM), assign more CPU to game and reduce processer usage for other applications. All these options are checked by default and you can uncheck if necessary. You can click on Switch to Game Accelerator Mode button to start this game booster. You can revert back changes after playing your game.


GameFire is a free game boosting software. It can improve your system performance while you play games. You have to select or create a profile for optimization. It has various options like hardware, visual effects, windows functions, system security etc. to select from. You can switch off game mode after playing game.


CacheBooster is a free software for tweaking cache settings of your computer. You can use it as a game booster too. It has various pre defined settings including Gaming. You can apply this setting for playing games. After applying this setting it will ask you to restart your computer. You can restart your PC and see the difference while playing games.


AppBooster is a free application for boosting your system performance when gaming or required. It asks you to create a new profile when you start the application. You can choose from various processes and features to disable. It has four tabs to choose from. You can choose from Device Support, Windows Features, Applications, and Advanced tab. You can select all also to stop. You can deactivate booster after playing.

SpeedItUp Extreme

SpeedItUp Extreme is a free and easy to use speed booster. You can use it as a game booster and can run it before playing any game. Games will run smoother after using it. It cleans up the RAM as the RAM is required more at the time of gaming. You can select from various options. It also has internet cleanup tool.

Smart Game Booster

Smart Game Booster is a free game boosting utility for Windows. This software offers a one click Boost utility that can kill all the unnecessary background processes and free up the RAM space to improve gaming performance. Besides this, it also offers a Performance tab that allows users to free up disk space, update drivers, and defrag game to improve the game launch time.

I also like its Can I Run It section that shows what games you can play in your current system. Other additional tools like Security Guard, Account guard, and Diagnosis tools are also present in it.

Actual Booster

Actual Booster is a tiny app for optimizing your PC performance. It allocates the majority of CPU power to the currently active game or application. Thus you can use it as a game booster for your PC. It can be activated by pressing its hot keys. You can change the process priority to various states. It is very simple and easy to use application.

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