Hi,
Try to install Windows terminal through this method:
1 - Create a folder on your Desktop and paste the Microsoft.WinTerWin10_1.15.2874.0.msixbundle
2 - Rename the "Microsoft.WinTerWin10_1.15.2874.0.msixbundle" to "Microsoft.WinTerWin10_1.15.2874.0.zip"
3 - Unzip Microsoft.WinTerWin10_1.15.2874.0.zip
4 - Access the folder and locate the ".msix" according to your version of windows
Double click on it and try to install.