Failed to install Windows 11 Insider build?

Castiellm 

Ensure that your device meets the minimum system requirements for Windows 11,

Compatible 64-bit processor4 GB of RAM 64 GB of storageTPM version 2.0
Secure Boot capability DirectX 12 compatible graphics / WDDM 2.x
Join the Windows Insider Program

Make sure that you have properly registered for the Windows Insider Program:

Go to Settings > Update & Security > Windows Insider Program.
Make sure you’re enrolled and have selected an appropriate Insider channel Dev, Beta, or Release Preview