What this does:
Downloads and installs required fonts & Arc dependencies.
Downloads Arc.
Changes registry to allow Arc to be installed on Windows 10.
Installs Arc.
Deletes all temp files, restores original registry settings.
Log file saved with timestamp of execution.
1.1 to 1.2 changes: Added checks for what's installed on the system already to speed up execution by skipping redundant downloading. Added Arc dependency installation.
Download and install the latest Windows App SDK from here: https://learn.microsoft.com/en-us/windows/apps/windows-app-sdk/downloads
Download both arcwin10-1.2.ps1 & arcwin10-1.2.bat to the same directory. Right click and run arcwin10-1.2.bat as Administrator.