Ask Ars: Finally upgrading to Windows 7—should I go 64-bit?

[News]

Short answer: yes. Long answer: yes, but you may not see much real difference. Before explaining why, there is an important contraindication to be aware of: if you use any 16-bit Windows applications or DOS applications, you'll have to either stick with 32-bit Windows, or run those applications in a virtual machine (or, for DOS programs, an environment such as DOSBox ). 64-bit Windows supports ...

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