As one of Microsoft's most popular systems, Windows 7 has been released for 13 years, and mainstream support and extended support has expired in early 2020, but Microsoft is not completely ignoring Windows 7 updates.
The second Tuesday of February is Microsoft's patch update day, and this time Microsoft brings new security updates to both Windows 7 and Windows 8.1, numbered KB5011552 and KB5011564, which mainly provide some system error resolution and security updates that are more meaningful to enterprise users than regular users.
You can refer to the following Microsoft pages:
Windows 8.1 (5B5011564):
Windows 7 (KB5011552).
How to update
The update should be delivered automatically, but if you're in a hurry, you can go to Windows Update and try updating it manually. It's worth noting that this update on Windows 7 is only available to customers who are paying to keep their systems up to date. Update) support, which is a paid service that costs money to update patches.
ESU service is also only 3 years, Windows 7 ESU can support up to January 2023, not only charge, but also increase the price every year, 2021, 50 dollars per unit, 2022 to 100 dollars.