Use Mac OS X Together with Mac OS 9
 | It is possible to use Mac OS 9.2 with Tiger. If you have the entire OS 9.2 operating system installed on your Mac, it's called Classic. Applications that need it will automatically open it for you. |
It's best, if you actually plan to use really ancient software that needs OS 9.2, that you open the Classic preferences, shown below, and have Classic automatically start up whenever you turn on your Mac. You will have fewer problems. Really, though, you need to let go of OS 9 and move on. It's okay.
To open the Classic preferences, go to the Apple menu and choose “System Preferences….” Single-click on the “Classic” ...
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