Run the MSI as an Administrator. (Note: You may have to launch the installer from a command prompt as an administrator.)
After the installation has completed, "PowerShell Universal" automatically starts and is ready to use.
Using a supported web browser, navigate to
http://localhost:5000 and login with the username "Admin" with any password.
At this point, PowerShell Universal is up and running. Please consult other sections in this documentation for instructions on how to configure, secure, and start using PowerShell Universal. Happy Scripting!