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If you have already installed Windows 8 or 8.1 with a serial key, but can’t find it, you can retrieve it using various software programs available online, such as PassFab Product Key Recovery.

It will contain your win 8 product key and other details such as your billing address, order number, and link to the Windows 8 or 8.1 installer

When purchasing your copy of Windows 8 or 8.1 online, you will receive an email (via the email address you provided at the time of purchase).

If buying a copy of Windows 8 or 8.1 on a CD or DVD, you should find the serial key on a card inside the box.

Getting a computer from an approved dealer, and you can’t see the sticker, ask the dealer to provide the Windows 8.1 product key.

In case of purchasing a computer with Windows 8.1 pre-installed, you should find your Windows 8.1 activation key somewhere on a sticker on the computer.

You can find your Windows 8.1 product key in the following places: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX How to Find Your Windows 8.1 Product Key

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