How can I buy a Microsoft Office or Windows OS license key from Keysfan?1. Simply select one of the special deals, add one or more goods to your cart, and confirm your order by completing all the required sections.2. You will get an email with the purchased product activation code and installation instructions shortly after making your payment.3. All activation codes are double-checked, and if yours doesn’t work, you’ll be given a new one right away.4. You may also contact Keysfan’s professional customer support personnel (email Keysfan at Support@Keysfan.com) if you run into any issues during…