XP,win7 32,win7 64,Everything is OK, so is win8. The system software can be reinstalled by using Baiyun one click. This software can change a 32-bit system to a 64 bit system or a 64 bit system to a 32-bit system. It also supports the interchange of XP, win7, and win8. The software can be operated with one button, and the system can be automatically reinstalled with two mouse clicks. Software download address:http://www.baiyunxitong.com ~I hope my answers are helpful to you. If you have any questions, please continue to "ask"! ~It's not easy to answer the questions. We understand each other. Your adoption is my driving force. Thank you!!