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32bit > 64bit is not done by any upgrade. It is done by a clean install. OEM licenses are for the bit architecture that they are bought with. If you want to change it, you have to buy it, which is no longer sold.
8 nov. 2014 · You cannot perform an upgrade from a 32-bit version of Windows Vista to a 64-bit version of Windows Vista. You must use a full copy of Windows Vista to perform a clean installation of a 64-bit version. For instructions on how to perform a clean installation, see Installing and reinstalling Windows.
29 mar. 2024 · How to upgrade 32-bit to 64-bit version of Windows 10/8/7 without losing any data? This post shows you some details on Windows system upgrade.
How do I upgrade from the 32-bit to the 64-bit version of Windows? Upgrading from the 32-bit version to the 64-bit version of Windows requires that you reformat your hard disk, install the 64-bit version of Windows, and then reinstall everything else that you had on your device.
28 sept. 2018 · Since an “upgrade” from 32 to 64 bits is really a clean install, it boils down to these steps: Back up your machine completely. This preserves your data and provides a fallback should anything go wrong. Boot from Windows installation media and install the new 64-bit version of Windows from scratch.
29 mar. 2017 · The best way to upgrade Windows Vista to Windows 10 is to start fresh with a clean installation, which you can do with the following steps: Download the Windows 10 ISO from the Microsoft...
5 oct. 2012 · I have a laptop that is currently running Vista 32-bit and wanted to upgrade to 64-bit. Do I have to buy a new copy of Vista 64-bit with a new product key or can I re-install the...
