You do have SQL Server Management Studio installed. You can disable the Amazing Charts services, restart the SQL Server service in single user mode to gain access to SQL Server outside of Amazing Charts, and then use SQL Server Management Studio to get the version number of SQL Server and look up what version and service pack you have.
https://docs.microsoft.com/en-us/sq...ce-startup-options?view=sql-server-ver16https://docs.microsoft.com/en-us/troubleshoot/sql/general/determine-version-edition-update-levelIf any of the above appears to be beyond your IT skills, I highly recommend getting AC to do the upgrade for you. This upgrade, while simple enough for those of us who do this kind of thing for a living (such as myself) is still very serious and can cause you a lot of downtime if it goes wrong.
Hours or days of downtime waiting for someone to save your bacon is way more expensive than the fee.
JamesNT