How to disable autoscaling for high DPI in Windows 8, if option dimmed out in properties

1. choose any compatibility settings, just to get an entry in the registry
2. open regedit
3. Navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers, and change the REG_SZ for the program to “HIGHDPIAWARE”

Tags: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers