Freeing up disk space

Certain apps such as Photo Booth are required by macOS and cannot be deleted

If you lack sufficient free space on your Mac, Free up storage space on your Mac - Apple Support and Optimize storage space on your Mac - Apple Support offer some suggestions.

With the possible exception of Xcode if you are not programming, Apps are not that big. Deleting them, if possible, would make life more difficult, because of updates.

if, after following John Galt's advice you still need more help, use one of the several utilities mentioned in this article to IDENTIFY the biggest Boat Anchors so that you can decide what to do about them. None of these utilities deletes anything automatically:

What is “Other” storage on a Mac, and how… - Apple Community

report generation takes several minutes, be patient.