This cannot be overstated: XP is no longer patched for hundreds of known, unpatched vulnerabilities. An experiment by YouTuber Eric Parker showed that a fresh, unsecured XP VM would be infected with trojans, backdoors, and DNS changers within minutes of being connected to the internet.
Use a flash drive that is at least 4 GB in size. Back up any internal data, as this process erases the drive. windows xp professional 32bit iso top