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If you purchased PeakHour 3, you can upgrade to PeakHour 4 at a discounted price.

To purchase an upgrade, do the following:

  1. First, make sure you have the latest version of PeakHour 3 installed and activated.

    If you can't locate your PeakHour 3 license key, visit and click Recover License under Help & Support.

  2. Visit, click on Buy or Upgrade and then Upgrade. This will start a download of the free, trial version.
  3. Once the download is complete, open the .dmg file.
  4. Accept the license agreement.
  5. Drag PeakHour 4 into the Applications folder.

  6. Launch PeakHour 4 from the Applications folder.
  7. If a valid version of PeakHour 3 is detected, you'll be presented with the upgrade prompt:

    If you don't see the pop-up, check to make sure you have the latest version of PeakHour 3 installed.

    Mac Appstore: Make sure the latest version is installed in /Applications from the Mac Appstore Purchases tab.
    Direct (Paddle): Download and install the latest version; try re-entering the license details.

  8. Click the Upgrade button and follow the prompts to purchase at the upgrade price.