The most reliable source for legacy software is the Internet Archive. Enthusiasts have uploaded "clean" retail and OEM copies of the Windows XP Professional x64 ISO. "Windows XP Professional x64 Edition ISO"
Faster processing for applications specifically coded for 64-bit architecture. Windows Xp Iso File Free Download 64 Bit
If installing on physical hardware, ensure your BIOS is set to "Legacy" or "CSM" mode, as Windows XP does not support modern UEFI/Secure Boot. The Setup Process: Boot from your media. Press Enter to set up Windows XP. Accept the Licensing Agreement (F8). Format your partition using the NTFS file system. The most reliable source for legacy software is
This is the gold standard for abandonware and legacy operating systems. They host the original 64-bit XP ISOs and do not add malware. If installing on physical hardware, ensure your BIOS
Breaks the 4GB memory barrier of 32-bit systems.