Older Versions of Power Manager

Power Manager first ran on System 7.6. This page provides history and information about those now unsupported versions.

Power Manager has a long history reaching back to 1997 and Apple’s System 7 operating system. We no longer support the oldest versions but continue to provide downloads for licensed users.

Power Manager 4

Released in 2010, Power Manager 4 escaped the confines of the Control Panel and was a full application.

Power Manager 4 running on Mac OS X 10.4

A Power Manager 4 licence purchased today will work on the versions below. Licences for Power Manager Pro are no longer available.

VersionRequiredHardwareNotes
Power Manager v4.6.5macOS 10.10Mac; Intel; 64-bitLast version to support macOS 10.11.
Power Manager Pro v4.6.5macOS 10.10Mac; Intel; 64-bitRetired, replaced by pmctl
Power Manager v4.6.0macOS 10.7Mac; Intel; 64-bitLast version to support macOS 10.9.
Power Manager v4.1.8macOS 10.6Mac; Intel; 32 and 64-bitLast version to support macOS 10.6.
Power Manager v4.1.2macOS 10.4Mac; Intel and PowerPC; 32 and 64-bitLast version to support the PowerPC architecture.

Power Manager 3

Released in 2005, and only surpassed by Power Manager 4 in late 2010, Power Manager 3 helped thousands of Mac users save energy.

Power Manager 3 running on Mac OS X 10.4

Power Manager 3 is no longer available for sale.

If you are an existing user, your copy of Power Manager 3 will continue to work with Mac OS X 10.6. We supported Power Manager 3 with critical support until December 2010.

VersionRequiredHardwareNotes
Power Manager v3.7.4Mac OS 10.4 – 10.6Intel and PowerPC-

Technical details for Power Manager

Power Manager 2

The first versions of Power Manager ran on System 7.6 and are no longer available for public download.

Power Manager 2 running on MacOS 8

On the launch of Power Manager 3 existing users of Power Manager were given free upgrades to the then latest version.