My preference(s) are to:
1) Remove and store any SSD a laptop comes with, and install a new 1TB drive, or
2) Use Clonezilla ( or similar ) to create a backup? of the internal drive to an external drive
3) Installing Debian, Mint, or Ubuntu Live editions to a USB drive, and installing 73linux on it is possible, but not a preferred, long term solution, as your long term usage becomes dependent on the 'persistence' setup of the OS.
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? Kevin? --? KD9EFV