We reported about Windows 10 Anniversary update ISO images appearing for Enterprise on VLSC. Now Microosft has made Anniversary update release official and you can install it by Going to Settings > Updates & Security > Windows Update and check for updates.
The Anniversary update ISO images have appeared on MSDN too. You can click on the link below to check ISO images on MSDN.
The Anniversary update is also available to install now using the new version of Media Creation tool that has been leaked on Twitter it seems.
Click here to read the most detailed & massive Windows 10 Anniversary update changelog on web with all new features and changes over TH2 (Version 1511 or Build 10586.XXX).
You can also download the earlier shared third-party ISO for Windows 10 Anniversary update Build 14393 by clicking here or you can wait for the official update to become available. You can also download ISO of Build 14393.3 and Build 14393.5 by clicking here.