Apparently Microsoft used to offer downloads of Windows 7 ISO files, but since support for Windows 7 has ended, they don't anymore... Super User How to upgrade from 32Bit (x86) to 64Bit (x64) Windows 7 - Micro Center The only way to install x64-based Windows 7 on an existing 32-bit Windows installation is to do a clean install, which is indicate... Micro Center Maximum addressable memory RAM under the current operating systems Dec 1, 2025 —