In my opinion, as someone who used i3 exclusively for years but switched back to Gnome, don't bother.
You're not actually going to be more productive with a different window manager. You may feel more productive, but it's highly unlikely that how quickly you switch between windows is an actual bottleneck in your life.
You're not actually going to be more productive with a different window manager. You may feel more productive, but it's highly unlikely that how quickly you switch between windows is an actual bottleneck in your life.