1. Download camtasia.dmg from here.

  2. Locate camtasia.dmg.
    In most cases, the DMG file is located in the Downloads folder. Open Finder and select Go > Downloads.



  3. Double-click the camtasia.dmg file to open the installer.



  4. The installer window appears. Drag the Camtasia icon into the Applications folder.


  5. In Finder, click the Eject icon.



  6. To open Camtasia, double-click Camtasia in the Applications folder.


  7. If you see the following message, proceed to steps 8 & 9.  If you do not proceed to step 10.



  8. Open System Preferences.


  9. Select Security & Privacy > General tab > App Store and identified developers. If you are unable to select this option, click the lock icon to make changes.


  10. Open Camtasia.

  11. Select Camtasia 2019 > Activate.
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  12. Enter your software key into the Activation Key field.

  13. Click the Activate button.