How to upgrade from 32Bit (x86) to 64Bit (x64) Windows 7 - Micro Center
Microsoft no longer hosts these directly, but legitimate ISO files are available via: download sluiexe windows 7 32bit to 64bit 38 top
: A clean install erases everything on your system drive. Back up all documents, photos, and files to an external drive. How to upgrade from 32Bit (x86) to 64Bit
, an essential Windows file responsible for activation and entering product keys; it is not a tool used to change the system architecture. Why You Can't Just Download and files to an external drive.
A clean installation is the only supported method to switch from 32-bit to 64-bit Windows 7.
: Before making significant changes to your system, always back up your important data.