Version 2.22 is pretty common and easy-to-find, but it's installer is only an exe and impossible to make silent/scriptable. Spoke to Epson today and they lead me to the msi installer for a higher version - hidden on the page for an expensive projector. Download the zip from Epson here: https://ftp.epson.com/drivers/iProV300Winx64_WEB.zip
and just use msiexec.exe /i "Epson iProjection Ver.3.00.msi" /qn to silently install
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