Hello ! I'm Aymeric, an independent advisor, and I'm here to help !
In order to help you as best I can, I'll need some additional information.
When you try to install a beta or canary version of Microsoft Edge, do you get an error message or code on your screen?
Before you start, feel free to try the troubleshooting steps in this Microsoft support article: https://support.microsoft.com/en-us/microsoft-e...
Looking forward to your answer !