Apple Macintosh LC 630 DOS - Manual (Page 122)

To get additional information about a component, click the box with the letter
i in it to the right of the component.
5 Click Install.
6 Follow the instructions that appear on the screen.
7 When you see a message reporting that the installation was successful, click Quit.
If a message reports that installation was not successful, try installing again.
(Follow the instructions on the screen.)
8 Restart your Macintosh.
The system software is installed and your computer is ready to use.
111 Troubleshooting in the Macintosh Environment