1. Download "connect-vpn-proxy.ps1" to your machine
2. Replace credentials
3. Execute script

powershell.exe -command "& 'C:\path to script\connect-vpn-proxy.ps1'"

Baldo's command to bypass powershell execution policy

powershell -noprofile -executionpolicy bypass -command "& 'C:\Data\cac-scripts-main\connect-vpn-proxy.ps1'"