DisplayFusion contains a built-in Function called "Prevent Window Deactivation." There are two ways it can be run on a game window. You can run it manually via key combination, or automatically via a Trigger rule.

Note: While this Function should work for most games, there are some games that may not allow this Function to work correctly.

Prevent Window Deactivation via Hotkey

1. On the Settings > Functions tab, find the "Prevent Window Deactivation" function in the "Window Management" section of the list, then double-click it to choose the key combination.
2. Click OK to apply the settings, then try out the key combination in your game.
3. After pressing the key combination, you should hear a "whoosh" sound to let you know that the function ran. If you don't hear that sound, see the next section.
4. After you hear the sound effect, you should be able to Alt+Tab out of the game and the game will not minimize.

Prevent Window Deactivation via Triggers

Global hotkeys may get disabled while some full screen games are running. In this case, you may not be able to activate the function using a key combination. Instead of using the key combination, you can enable it using a Trigger rule for each game. Here's an example Trigger rule to run the Prevent Window Deactivation function after a 60 second delay:

Prevent Window Deactivation Tips

• You can use wildcards when specifying the "Process Filename" in the Trigger rule. For example: If your games are all stored in D:\Games, you could enter D:\Games\* in the Process Filename text box to make the rule match all games in that directory.
• Some games will lock the mouse cursor to the window. For these games, you can try running the "Lock/Unlock Mouse Cursor to Current Window" or "Lock/Unlock Mouse Cursor to Current Monitor" functions. You'll need to assign key combinations to those functions in the DisplayFusion Settings.
• For some games, the Prevent Window Deactivation function won't seem to work on the first try. For these games, usually switching it to windowed mode (Alt+Enter) and back to full screen (Alt+Enter again), or Alt+Tabbing out and back in will make the function stick.