Home windows 8.1 Pro 1PC [Retail On the internet] You might obtain 1x Home windows 8.1 Professional essential that can activate 1PC. These keys can be employed on a similar PCs to reactivate Home windows immediately after reinstallation. Life time activation. Helpful and Experienced support to help with sleek installation. https://allkeyz.com/index.php?route=product/manufacturer/info&manufacturer_id=22