DB squat form check for a newbie trapped at home please

Squat form check for newbie please. I know I’m doing it incorrectly

Smith Squat Form Check

Squat form check

Form check - Glute Bridge?

Form check ~ squat

Smith Machine RDL - Form check please!

Squat form check

Squat form check pls

Bulgarian split squat form check

Hello all! Form check pls.. I know that I am not going as slow

Reverse hack squat form check? Not sure if this is right? Thanks!