From The Menu open a Root Console using the Terminal.
At the Console Prompt Type:
This will give a list of possible commands and Usage for the RPM Manager.
The command for upgrading RPM is:
rpm -Uvh name-of rpm file < Note wild card or * is allowed for command.
The coomand for installing new RPM is:
rpm -ivh name-of rpm file < Note some wild card or * is allowed for command.
The switches are explained in both the Man and Suse Help section's of the System.
For a detailed description go to the menu and select the Help Icon.
Hope this helps