I’m nervous to update my current OCLP / MacOS setup

TL;DR Looking for step-by-step instructions to update from OCLP 1.4.5 / Sonoma to OCLP 2 / Sequoia?

It’s been close to a year since I installed OCLP 1.4.5 and Sonoma on my 2014 MacMini, which has been performing fine, but with OCLP 2 and Sequoia 15.2 out now, I think it’s time a good time to update, but I don’t know the proper procedure and I’m afraid I’m gonna botch it and lose everything.

I’ve searched the web for instructions on how to update, but none of the info is comprehensive.

Should I update App Store apps before beginning? How do I go about updating OCLP (properly)? What do I need to do to prepare?

Thanks in advance.