Once you turn on your Xbox again and reboot the Halo Infinite beta it should start the necessary download.
Elsewhere Halo Infinite players have been getting a ‘pending’ issue on the Xbox Insider Hub app.
A workaround is not available for Halo fans have been assured that engineers are looking at the issue.
The Xbox Support Twitter said: “If you are having trouble accessing Halo Infinite through the Xbox Insider Hub app, we want you to know engineers are actively working to address this issue. Please follow along here for updates.”
If you’ve been having issues with the Halo Infinite beta then good news is the technical preview is getting new content soon.