- Go to Help/About Console
- Scroll over to Build
- Search for the latest build number
You can also check by opening up DirectorUpdater.exe and checking to see what your installed packages are. If you have none, then you are running the base product.
Versioning does not seem to be straight forward. While you may have installed a specific version in patches or other updates .DLLs may have changed. When checking for a version it is quickest to look at the help/about sections for the latest .DLLs that are listed.