How do I turn off transparency effects in Windows 10 for all users?

If you want to disable transparency on Windows 10, just follow these steps:

1. Search for regedit.exe.
2. Open the Registry Editor and navigate to HKEY_CURRENT_USER > SOFTWARE > MICROSOFT > WINDOWS > THEMES > PERSONALIZE.
3. Right click on EnableTransparency and change the value from 0 to 1.