The roll out of the Windows 10 Anniversary Update has started. The new version number is 14393.10. In a blog post, Microsoft stated:
The Windows 10 Anniversary Update is being rolled out to Windows 10 PCs across the world in phases starting with the newer machines first. You don’t have to do anything to get the Windows 10 Anniversary Update, it will roll out automatically to you through Windows Update if you’ve chosen to have updates installed automatically on your device.
The Anniversary Update for Windows 10 Mobile is not available yet. It will be released in the next weeks. The HoloLens however is getting the Windows 10 Anniversary Update today. At the moment, it is not clear what is new with this update.
Check out this post, to get an overview of all new features coming to Windows 10 with the Anniversary Update.