How do i Remove the tags I added from my steam library

[Snaccc]

I really want it all in one place but I can't figure how to remove them

[Forcen]

You can use shift+click or ctrl+click to select multiple games in steam detail view or list view, then you can right click em all and click "select categories" and then unchecked all of them.

Just try holding shift and clicking games and see how it selects stuff and try the same with Ctrl if you don't know that. Works with files in explorer also.