Upgrade from Vista Home 32bit(OEM) to Vista Ultimate 64bit(Retail)?

[Javalr]

I wanted to know if i can upgrade from Vista Home 32bit(OEM) to Vista Ultimate 32bit/64bit (retail upgrade version) ? is there anyone who has idea about it ad can clear my doubt? actually i have made my mind to upgrade to either 32bit or 64bit as i don't want to loose any data doing clean install.

[techman]

You can upgrade from Vista Home 32bit(OEM) to Vista Ultimate 32bit but you can upgrade to Vista Ultimate 64bit. For installing 64bit you will have to do a clean install and you will loose data installed in that particular drive. If you don't want to lose any data than go with Ultimate 32bit, Hope that cleared your doubt.

[morry01]

Yes you are allowed to use 32bit installation DVD for installing 32 bit version on a 32bit computer but you are not allowed to use 64 bit installation DVD for installing64 bit version on a 32bit computer.