How do you install 1979 v.w. beetle alternator?

To install an alternator on a 1979 VW Beetle, first disconnect the battery to ensure safety. Remove the old alternator by loosening the mounting bolts and the belt tension to take off the drive belt. Install the new alternator by securing it in place with the mounting bolts, reconnect the drive belt, and ensure proper tension. Finally, reconnect the battery and check for proper operation.