Windows will activate your Windows license from this information. Make sure the version installed is same as it was previous. For example, if it was Windows 10 Home, you need to install Windows 10 Home only not Windows 10 Pro. If at any point during installation it asks for the key, choose you will do it later on / skip. Even after Microsoft stops accepting Windows 7 and 8 product keys, you should be fine if you've already activated an older install. you can continue to install and activate the same edition of .

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