XP required users to activate their copy with a 50-number code over the web, or by ringing Microsoft.

XP系统要求用户在网上使用他们的50位激活码激活系统，或者

youdao

XP required users to activate their copy with a 50-number code over the web, or by ringing Microsoft.

XP系统要求用户在网上使用他们的50位激活码激活系统，或者

youdao