How To Download Davinci Resolve Studio 18 (Quick Upgrade Guide)

#davinciresolve it isn't always obvious how to upgrade to the studio version of davinci resolve 18. It's a bit hidden in black magic customer support site's downloads section. So this tutorial needed to be made, as it's truly not very obvious and you might spend a long time trying to figure it out.
Timestamps:
00:00 how to install davinci resolve studio 18?
00:30 where is davinci resolve 18 studio version download?
00:45 how to upgrade to davinci resolve 18