You can apply the code from the Server or any of the workstations while users are logged in. Once you have the (.win) file, save it on a folder you can easily locate.
3) Click on “Install License Codes” button. If your prompted for a login, supply your login credentials to proceed.
4) Located the (.win) file or the System5 License Codes
5) Click OK button to proceed
6) Review the information on the license if everything is correct
7) click on NEXT button on top until FINISH