To find out which you need, see What activation method do I use, product key or. Misunderstanding that the digital delivery code is the Office activation code. To activate Windows, youll need either a digital license or a product key. User mistakenly believed the presence of the software on the PC at purchase meant it was included in the price, but it was only under trial period activation. needs to be removed from the old PC first. User bought a new PC and expects to re-install from the retail version box/keycard's single-use code whose terms clearly state ONE pc at a time. User forgot which email or created an MS email they forgot about which subsequently became 'abandoned' and canceled / no longer accessible. People's activation problems are often from user error - things like:īuying a single USER license product to share with family member or coworkers - because 'it says multiple PCs and I own them all'. Choose the product that fits your needs and be sure to UNDERSTAND the license limitations. Whether you buy a keycode product from a reputable vendor or MS or a subscription, just make sure that you use an mail address you will keep long term.

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