If you reinstall DUPE|IT on the same computer your schemas will remain. If you uninstall DUPE|IT and install it on a new computer after that your schemas will not remain.
The complete configuration of a schema contains the following steps:
1. Naming the database connection
4. Options
To get to the settings of the DUPE|IT schema you go on DUPE|IT schemas under DUPE|IT in the navigation bar. In the main window you should see the following:
Now click on New Schema. You will be forwarded to the following window:
You can also get there via Main > New Schema.
On the left side under the menu point DUPE|IT you can see that the sub point Schema settings was created. In the main window you can configure your DUPE|IT schema.
You find the next step under Naming the database connection.