How to change the number of licenses for Sage 50

1. On each computer that uses Sage 50, open the file in sysadmin single-user mode.
2. Go to Help and Upgrade Sage 50 product.
3. Change to the new serial number.
4. The serial number determines how many user licenses are available for use.
5. Click OK to retrieve the key code online.

How to upgrade from a lower edition of Sage 50 to a higher edition

Unable to access file at the same time for all users after upgrading to 4 user license