If Beas does not have internet connection, you can insert the license key by copy and paste.
Indicate installation number and select "Beas basic" at https://portal.boyum-it.com/LicenseKey.
An offline-license will be created. Copy to clipboard.
To register an offline license: open the license window.
PATH: Administration > License > License Administration
Click on "Insert Offline License" and insert the clipboard with Ctrl + V.