First generation of MacKeeper with basic versions of 16 system tools.

• Download link *
• Read manual
• Upgrade to MacKeeper 2012
• * If you have MacKeeper 2012 and would like to downgrade to 2011, follow these steps:
  1. Quit MacKeeper.
  2. Remove MacKeeper from your Applications folder.
  3. Download MacKeeper 2011 by following "Download link" and install it as usual.