Now, open the game and check if you are still facing lags and whether the window opens in an exclusive fullscreen mode or not. Note that the lag is more evident and frequently reported for apps that are not downloaded and installed from the official Windows 10 store. You can do this for any game that is lagging and causing problems in the fullscreen mode. Now, select Disable fullscreen optimizations option and save all settings. If you are running Windows 10 with more than one user account and want to change fullscreen optimizations settings for all users, then under Compatibility tab, click on Change settings for all users first. Click on the Compatibility tab and click on Disable fullscreen optimizations checkbox. Alternatively, you can use the ALT+ENTER keyboard shortcut to bring up the file's properties. Right-click on the launcher file and select Properties. I am doing this for Tencent’s PUBG because it lags and fails to open correctly for me. By default, it is always in the C drive, but you may have chosen a different folder during installation. You can now locate the folder where the game is installed. Launch the file explorer by clicking on My Computer on your desktop or press the CTRL+E keyboard shortcut. Depending on the make and model of your computer as well as the game settings, disabling the said option can provide you a glitch-free experience. I would recommend it to Windows 10 users who experience lags while playing FPS games like CS: GO and PUBG. This method is more suitable for disabling Fullscreen Optimization for a particular game. And it's not just limited to games, I experienced it with a number of Windows apps. When enabled, you will notice your games opening in a hybrid view where it is running in a borderless fullscreen mode. Irony? A setting called Fullscreen Optimizations controls this new mode. Instead of boosting gaming performance, it induces FPS lags for many users. It replaces the old Fullscreen Exclusive Mode.

The new Borderless Display Mode was designed by Microsoft to enable users to change tabs quickly, improve performance, and use Focus Assist easily, all the while playing their favorite games. Do you love playing games on your Windows 10? Do you hate experiencing a lag in the game just when you are about to make the kill? Some of my friends have been complaining about how the new Borderless Display Mode, which is enabled by default in Windows 10, is causing the lags.

Turn off game bar