Usage of Windows 7

Windows 7's market share is below 20% as Windows 10 has become the majority OS. Windows 10 is more popular than 7 except in Turkmenistan and Venezuela.

Steam hardware survey for Windows 7 in January 2021 shows it at just 2.28%, meaning steam may drop support soon.

There is a glut of Windows 7 machines currently on eBay. You should stock up now before the retro tax occurs.

In April 2021. It was announced Windows 7's share was 22% among Kaspersky users. Microsoft announced 1.3 Billion Windows 10 users. With around a 4:1 ratio of Windows 10 to 7 users, that is an estimated 325 million Windows 7 users.

Windows 7 (alongside XP) is still common in publicly available ATMs and other embedded devices.