And all original Windows 10 users get it for free through Windows Update.
That means that Windows 10 version 21H1 and version 20H2/2004 share the same service content. The company has mentioned that this year's first “feature update” for Windows 10 is virtually identical to the “October 2020 Update” already available.
Today, May 18, 2021, Microsoft today released the Windows Update, which is also known as Windows 10 version 21H1for search engines.