Some windows software can block alt+tab, several games are offenders on this (usually because alt+tabbing breaks them in some way).
The thing is, I DO want to alt+tab anyway - how can I do that?
Some windows software can block alt+tab, several games are offenders on this (usually because alt+tabbing breaks them in some way).
The thing is, I DO want to alt+tab anyway - how can I do that?
You can attempt to use other Windows shortcuts, provided that they aren't also disabled by the game in question. Such shortcuts are:
Additionally, you can attempt to make a -windowed shortcut to the application.
You may find help in this question: Force fullscreen games to in window mode?
If you can get the fullscreen game to run in windowed mode, you may be more successful in using Windows shortcuts, like ALT+TAB.
You may also try this (worked for me on certain games):
Alt+Tab Without Holding Alt Down: The Alt+Tab switcher normally closes when you release the Alt key. But, if you’d like to Alt+Tab without holding the Alt key down the whole time, you can. Press Alt+Ctrl+Tab, and then release all three keys. The Alt+Tab switcher will stay open on your screen.
You can use the Tab key, the arrow keys, or your mouse to select the window you want. Press Enter or the space bar to switch to your highlighted window.
Source for other options: https://www.howtogeek.com/429223/master-windows-10s-alttab-switcher-with-these-tricks/