Why is it called Windows 10 not Windows 9? | ExtremeTech Posted on March 16, 2015 by Protiguous Why is it called Windows 10 not Windows 9? | ExtremeTech: ‘via Blog this’ Share this:TwitterFacebookLike this:Like Loading... Related Published by Protiguous C# Software Developer, SQL Server DBA, Father, and seeker of Truth. View all posts by Protiguous