Windows Upgrade Offer: Microsoft Launches Windows 8 Pro Upgrade Offer

SK Mezanul Haque

SK Mezanul Haque is the founder of (popularly known as My Technology Guide). Passionate about all things in tech. Let’s meet: Google Plus.

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2 Responses

  1. Tej says:

    How many times can you install using the upgrade key on the same PC? I ask because I have already upgraded Win 7 to Win 8 pro but would like to clean install sometime later.

  2. len says:

    unable to install window 8 pro to my computer that has window7. need help

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