This is how you dual boot windows 10 and windows xp:
1. Get a Windows 7 PC from eBay. 2. Get 2 SATA Hard Drives and SATA adapters to go with it. 3. Install Windows XP on the 1st hard drive. 5. Then install Microsoft Office 2010 for an updated version. 6. Install your apps and drivers for Windows XP 7. Install Windows 10 on your 2nd hard drive. 8. Install Microsoft Office 2016 for an updated version. 9. Install your apps and drivers for Windows 10 10. You're all set.