Microsoft has released latest version of it Windows 10 Operating Systems dubbed Windows 10 Anniversary Update build 14393.0. The update is being rolled out globally in phased manner. If you are not ready to wait for couple of days for your turn to come or want to do a clean install. Then you can download Windows 10 anniversary Update ISO offline install from Microsoft official ISO site.
Verify Your Windows 10 Edition
To download correct Windows 10 Update ISO disk image , first you need to know your Windows 10 installed edition. To check and verify the edition, go to Settings > System > About and look under Edition section.
Download Windows 10 Anniversary Update Disk Image ISO offline installer
Go to Microsoft 10 ISO page. Select your Windows 10 edition and press confirm.
After that select the language you prefer and press confirm button again. After that you will be given direct download links for Windows 10 Anniversary Update for both 32bit and 64bit ISO files.