upgrading windows 7

  1. SeinLb

    Upgrading my windows 7

    Hello . I'm trying to upgrade my windows 7 home premium 64-bit to either windows 7 ultimate 64-bit or the same which is home premium , because I want to keep my files and settings . I'm using the same CD, it is informing me that I can't upgrade from 32 to 64 bit , while I have a 64 bit installed...