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Windows 7 Reinstallation
Hello Guys
One of my friend has windows 7 ultimate 32 bit
and wants to install 64 bit (not Dual boot) So he wants to remove 32 bit and install 64 bit is there way to replace the operating system or something like that please answer in as much detail as possible because i am not good and installation of Windows or hard drive formating etc so please give me full detailed explaination
Thank you very Much in advance