go for it - just ensure that you backup all critical data.
(Backup in any case!)
In this day and age, encryption should be the default/only option.
Take a look at my How To.
(For the record, I’ve been encrypting my files for over a decade on both Linux and Windows - at one point I was running Lubuntu on an encrypted USB stick!)
(Caveat: I’ve only used LUKS/cryptsetup on Linux and VeraCrypt/TrueCrypt on WIndows.)