Open System Preferences
Choose the Language & Text preference pane
Choose the Input Sources tab
Click on "Show Input menu in menu bar
Now put a check mark in the two languages that you want to use.
Select "Allow a different one for each document" if you wish to mix and match the languages in the same document.
Close System Preferences.
In the menu bar at the top right of the screen, you should now see a flag representing your default language. Click the flag and you will get a choice of your other language.
I will delete your other post, the duplicate one
My old g4 running 10.4 died. I am not using a Mini
On my old system I could switch between the default
English key assignments and Spanish key assignments.
I can't figure out how to do it in 10.7.4 even after many
hours of searches and help files etc.?
Anyone know how?