The most obvious way to get started in Premiere is to use Adobe's 'learn' and 'help' features. The 'help' search is always there in the upper right and the 'learn' window can be opened here;
But, sometimes it's easier to just go to a fast-paced YouTube video;
For me 'Premiere Gal' has proven extremely helpful! The video embedded above is freshly done and teaches you the basics in 25 minutes. You'll find all the videos here...
https://www.youtube.com/@PremiereGal/videos
The first thing to try beyond the basics may be adjustment layers...
