"Windows" key not opening "start menu" on Ubuntu Studio 18.04
It used to be in Linux Mint or an older version of Ubuntu, that if I hit my Super Key it would open up a "start menu".
I took a screenshot of what I'm trying to achieve by hitting Super:
Solution 1:
Go to Settings > Keyboard > Application Shortcuts. You should see an entry called "xfce4-popup-whiskermenu".
Change its shortcut to Super key.