If you’re using Windows 10 build 10130, ensure you’ve installed KB3070677 update (available via Windows Update) aka Windows 10 Preview June Update on your computer, if not, check for updates or check update history, if installed, restart your system to install it. This update is necessary for Windows Update in Windows 10 to detect and download available new preview builds, otherwise it may not able to do that.
READ: If you’re an Insider, no free Windows 10 for You
KB3070677 update for Windows 10 build 10130
What happens if you don’t install this update?
Even though there are new preview builds available according to your current preview build settings, Windows Update might not detect those when you scan for them.
ALSO SEE: Make Web Search in Windows 10 to use Google instead of Bing
Link: KB3070677
Have you installed this update?