Windows 10 Technical Preview – Windows update slow/fast ring selection (How preview builds are installed) missing

 

Possible reason:

1. You did not have local administrator privilege

2. You are using local account, not using Microsoft account

Solution:

1. Using a Microsoft account which is already register Windows Insider Program (https://insider.windows.com/) with local administrator privilege.

Windows 10 Technical Preview – Windows update slow/fast ring selection (How preview builds are installed) missing