XP has been unsupported since 2014. It is highly vulnerable to malware.
If installing on old hardware, use Rufus to burn the ISO to a USB drive. Select "MBR" partition scheme. Free Windows Xp Iso Download Full Version
How can I download and install Windows XP within windows 10? XP has been unsupported since 2014
There are dozens of "editions" of Windows XP. For the best experience in 2025, follow this guide: Select "MBR" partition scheme
Even with a "free" ISO, Windows XP requires a license key to function beyond 30 days.
If you own a valid Windows XP license key from an original CD or sticker, you are legally clear to download the ISO and create installation media. If you do not, please consider using the free, open-source alternatives like Linux Lite (which looks like XP) or ReactOS (which aims to replicate XP’s API).