Today Microsoft started making the Windows 10 October 2020 Update available to Seekers, but if you want a clean install you are probably waiting for the ISO.
The good news is that the ISO has also debuted today and can be found at the links to the English builds below:
Other languages can be found at Microsoft here.
The Windows 10 20H2 brings a theme-Aware Start Menu, touch-friendly taskbar, and Xbox Game Pass for PC and many more features. The full list can be seen here.