Knowledge Base ← You have something to say? We want to hear it! FAQ → Is there a device limit for Hyper Pro licenses? I bought Hyper Pro, why is it not showing up? Will there be a Windows Phone 8.1 version of Hyper? Why do I get an error when I log in? Why do my watched videos not appear in my YouTube watch history? 8 articles → How to → Update an app manually in Windows 8.1 Remove the search History Remove the watch History Stay up to date on Hyper News Change the Hyper Display Language 12 articles → Troubleshooting → Many videos don’t play for me, what can I do? The audio always changes volume. It goes quiet and loud. In-App purchase is not working anymore For Developers → Protocol Activation All articles → Many videos don’t play for me, what can I do? Update an app manually in Windows 8.1 Protocol Activation Is there a device limit for Hyper Pro licenses? Remove the search History 24 articles →