I would rather not extract the program's files before I know which files on my PC to keep and which files to overwrite. I have spent countless hours in the past (covering many versions of SMPlayer, installed as well as portable) getting everything "just so" for the best personal user experience, so finding inconsistencies with the way it is set up after upgrading incorrectly would be very frustrating. Therefore I would rather just ask you guys first.
Please help

I am on Windows 10, SMPlayer Portable version 15.9.0 (64-bit)