the inverse of "make sure you have working backups of what's important" is "give yourself permission to delete digital detritus that no longer has any value to your life"
you do not need every email you've received for the last decade.
you do not need three copies of every photo you've ever taken with your phone.
you do not need the downloads folder for each of your previous twelve laptops.
you can delete some stuff.
@djsundog but what if i need my computer science 241 final for something...????