How clean RAM on Mac
I have a MacBook Air 2015 with 4 go of RAM with Final Cut Pro. Final Cut Pro take RAM and I need more ram to use Final Cut Pro rapidly. When I use Final Cut Pro I have 0,5 go of ram free and I have just FCP,photos and Finder of open. I try a terminal to clean ram but this not work. I Also try to use memory diag but this not clean a lot of ram (I need more free ram) Its maybe beacause I am making à vidéo 8k and I use the 3D titles?
Question : how to clean ram.
MacBook Air 13″, macOS 12.6