# Make sure that database has been upgraded.
Before activating, make sure that the database has been upgraded to Microsoft SQL Server.
If the database has not been upgraded, please refer to the following link to upgrade to Microsoft SQL Server.
Also, change the type of database to be used to Microsoft SQL Server.
Support will not be provided if the database has not been changed to Microsoft SQL Server.
- Click the "License" tab.
- Enter Activation Key in the field of "Activation Key".
- Click "Activate".
- When activation is completed, the items in "License" will be updated.
|Maximum number of Studies|
|Maximum number of Web Connection|
|Maximum number of DICOM Connection|