We get beaucoup de questions on Super User about Windows activation and licensing. This question is an attempt to answer the most common questions in one place with a canonical answer.
When reinstalling Windows, the following questions often come up:
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Puis-je transfer the copy of Windows from my old computer to a new one?
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Does the license key on the sticker on my computer work on any computer?
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If J'ai un 32-bit version, can I install a 64-bit version?
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J'ai unn OEM version of Windows, but only a retail disk. Puis-je still use it?
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Je veux install Windows with a different language. Do I need a new license in that language?
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I changed some hardware. Will I be able to reactivate my computer?
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Puis-je back up my activation before doing a reinstall?
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How many computers can I install my license on?
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Do J'ai to deactivate my old installation before transferring a license? If so, how?
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Comment fonctionne licensing work in Windows ?
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Quels sont les restrictions on transferring, reinstalling, and changing versions of Windows?
