Hi, this is the CMD, hope it helps.
;install
atgui.exe /l 9
atgui.exe /g Install
atservice.exe -i
net.exe start ATService
;uninstall
net.exe stop ATService
cmd.exe /c taskkill /f /t /im atgui.exe
cmd.exe /c taskkill /f /t /im atservice.exe
atservice.exe -u
atgui.exe /g Uninstall