Users could set Windows Terminal Preview (version 1.9 or higher) as the default terminal emulator for the first time. This allowed Command Prompt and PowerShell to open directly within the modern Terminal interface.
To install Build 21390, follow these steps: windows 10 insider preview build 21390 x86 x64 iso incl
The year was 2021, and for the digital scavengers of the Windows Insider Program , the release of Build 21390 Users could set Windows Terminal Preview (version 1