Microsoft is rolling out the Windows 10 Anniversary Update slowly. If you are looking for a way to force the update in your PC, here is a really nice tip to skip any kind of queue.
How to Get the Anniversary Update Now
Even if Windows Update can’t find the Anniversary Update because Microsoft isn’t offering it to your PC, there’s still a way to get the update.
Either head to Settings > Update & Security > Windows Update > Learn More or just visit the Windows 10 update history web page. Click the “Get the Anniversary Update Now” link here and download the tool provided by Microsoft.
Run the Windows 10 Update Assistant and it will automatically download and install the Anniversary Update on your PC, even if it isn’t being offered through Windows Update at the moment.