Apple Mac OS 7.6 - Manual (Page 4)

m If you are using an earlier version of system software, or don’t have the
Extensions Manager, drag any non-Apple extensions out of your
Extensions folder in the System Folder, then restart the computer. (If you
don’t know where a particular extension came from, select its icon. Then
choose Get Info from the File menu. Apple extensions all have “
© Apple
Computer, Inc” in the Version section of the Get Info box.)
Installing the software
Use the Install Mac OS application program to make sure you follow all the
necessary steps for installing the software.
m To open the Install Mac OS program, double-click its icon.
You see the following screen.
4 Chapter 1