I just bought a new sunlife Microsoft Office 2007 Product Key tomorrow and need my laptop to run Windows 7 Home Basic X86 for their software. Currently i have Office 2010 Home And Business 64bit installed. I want to know if I can split my hard drive and when computer boots I can choose xp or Office Pro 2010 Serial. So I can use xp for work and windows 7 for home. Since i don't have the cd for Windows 7 Sale I don't want to remove it completely. Any suggestions and help would be appreciated!