*Update* Windows 7 support ended on January 14, 2020, as seen in this update from Microsoft.
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Microsoft Windows 7 Professional gives you everything you need for work and home. With Windows 7 Professional, fewer walls stand between you and your success. You can run many Windows XP productivity programs in Windows XP Mode and recover data easily with automatic backups to your home or business network. You can also connect to company networks effortlessly and more securely with Domain Join. With all the exciting entertainment features of Windows Home Premium, it’s a great choice for home and for business.
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Promptly received email with product key.
It was easy to do, and when I needed assistance it was quick and problem solved.