HowTo: Reinstall a new Windows 10 build after reverting to older build
At http://www.askvg.com/fix-windows-10-insider-preview-build-10240-not-appearing-on-windows-update/ it writes: NOTE: If you previously had a new Windows 10 build installed in your computer and then reverted back to an older build, you’ll lose access to the new build and it’ll no longer be offered as an upgrade option. Deleting the number for that build from the list at HKEY_LOCAL_MACHINE\SOFTWARE\ […]
