The latest build of NSolV8 is 8.1.10. This upgrade is free to all NSolV8 registered users. To access the latest version, just download and install the “Update” from the Support page. It will update the program “exe” file only, and will not update any databases, logos or address files.
It is always a good idea to make backups of your databases before installing. The are found in c:\nsolvx\db folder. The easiest way to back this up is to compress the entire c:\nsolvx folder into a single file, add a date to it and then move the compressed (zip) file to a place that you normally include in your backups.