The installation program searches for earlier versions of the program, and starts the update wizard with the first time startup of the program after the new version is installed.
Read more about installing the program here.
Read more about updating to a new version here.
Select Company Database
Partial update makes it possible to update only the chosen company databases, in a system database with multiple company databases. This is only available for users that have a licence for Client Manager, and when updating from version 12.
Read more about:
How to update from version 11 to 12 in an environment that uses Client Manager