Steam Link not going full screen? Here’s the solution

Windows 10 v1903 update prevents games from running in classic fullscreen

How to fix Direct 3D full screen issues in Windows 10 v1903

FIX: YouTube full screen not working in your browser

Switch to full screen mode on Windows 10 apps

Windows 10 fullscreen problems with games [FIX]

Run Windows Store Apps in Full Screen in Windows 10 [How to]