More information on the remastered versions of the software can be found here.

1. Navigate to Go to C:\Inetpub\Sage 200 App Services\Sage200SecuredServices\Bin
2.  Right click on the Sage.Accounting.PersistenObjects.dll and select Properties
3. Select the Details tab and check the File Version Number

EXAMPLE: For an install numbered 20.18.20062.1 - The 5 digit portion of this number denotes the year and day the server was updated, so in this case, the 62nd day of 2020.