I sometimes experience where WINDOWS+R doesn't bring up the run line however when I hit the WINDOWS key by itself, the Start menu does still appear for me. I know this isn't what you're asking, but...

Unfortunately it's impossible to Google a search phrase that includes 'Windows' 'Shortcut key' 'Full Screen' or the like without returning a flood of pages that are just the normal shortcut keys that...

In Apps downloaded from the Windows Store (such as Words With Friends or a million other apps - not regular 'Windows Applications' such as Photoshop or something), they run in a special 'shell' that...