For most would-be Windows 7 users, a 64-bit version of Windows 7 is the right move. But if you don’t have sufficient RAM (at least 4GB), or you rely on devices that don’t have supporting 64-bit ...

Different Windows editions have had different upper maximum RAM limits. 64-bit Windows support different amounts of memory as an SKU differentiating feature, with the low end being 512MB for Windows ...

Ken wrote in saying he loves PCWorld, natch, and that he wants to know the difference between 32-bit and 64-bit operating systems. I have to admit this isn’t something I’ve thought about in a long ...