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Find your edition, version, & build number of Microsoft Windows OS specifications by sitting at home desktop with Laptop computer's operating system.
First half-year 2021 release codenamed version 21H1 to Windows 10 May 2021 Update with build number 19043. See what's new in Windows 10 version 21H1.
Compare Windows 10 v. Windows 11 in a brief overview: release date, build number, version, bit, market name, manufacturer, language, source code, etc.
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