This will make the game close immediately after you launch it.
 

Step 1

Go into your library.
 
 

 
 
 

Step 2

When the folder of your game is open, right-click on HeliHeroes.exe. -> select properties
 
 

 
 
Click compatibility tab to check if this program is compatible with Windows 7.
 
 

 
 
 

Step 3

Now launch the game to adjust your settings. Enjoy!

 
 
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