I can upgrade to LinuxMint or Ubuntu in half an hour
...and that's a dual boot (keeping the original Windows, for insurance). They get a useable system with the common apps and LibreOffice, so they can get right back to work (after a 2 minute orientation). From there the user can tweak to their heart's content without breaking anything, and they can make it look like XP if they want. Linux is not "worthless", it's just free.
Keep Up with TechRepublic