How to add transitions in Premiere Pro 2023 (QUICK and EASY!)

When I drag and drop, the transition isn't taking. Help! What am I doing wrong?

I've watched a few videos on this - and your video is the BEST! Thank you so much!

so helpful! Love short tutorials! helps me learn on the fly and get back to work!

this man needs more subs

That effects slide doesn’t appear for me