compressed backup before debloating

hi guys!! ( privacy community pls don't jump on me) so i was noticing that my os is full with microsoft garbage that consumes my ram and network speed for nothing!! like shitty edge!! and looked for a solution and i found debloating. but i need to make a backup first in case something goes wrong . local disk is : 237gb - used 133gb = 103gb free i have a 64gb usb i want to make a high compressed backup for everything including my windows 11 is it possible with that 64gb usb? and what software to use pls? pls don’t tell using a cloud !! 😓i have a slow internet cuz i live in a rural area. thanks in advance to anyone!