1. Find your Windows version
2. Take ownership of and backup the existing uDWM.dll. Run these commands in cmd as admin:

cd C:\Windows\System32
takeown /f uDWM.dll
cacls uDWM.dll /g YOURUSERACCOUNTNAME:f
ren uDWM.dll uDWM.dll.bak

3. Copy the uDWM.dll for your Windows version to C:\Windows\System32
4. End/restart DWM and the changes should take effect immediately