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The Microsoft Windows 8.1 Professional Product Key and Download links will send to your email, deliveries are generally completed in 5 – 60 minutes depending on the time of purchase(Rare cases: up to 8 hours if order in night). If you haven’t received the Key for hours, please check the Spam or Junk mail folder.
Please do not share the key, or install it on different computers. We offer full refund lifetime but over used keys won’t get warranty.