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How to activate ESET Cyber Security v6.1 with a License Key

Description: This article will show how to activate ESET Cyber Security Version 6.1 for Mac OS with a license key. A license key may have been referred to as an activation key or a serial number in previous versions of ESET.

  1. Click on the ESET icon on the top of the screen, and then click Open ESET Cyber Security.
    ESET Icon, Open Cyber Security
  2. Click on Help from the list on the left.
    ESET Cyber Security, Help
  3. Under Product and License Information, select Manage License.
    ESET Help and Support, Manage License
  4. An activation window will show. Enter the license key into the box here, and then click Activate.
    ESET Enter License Key, Activate
  5. Fill out the information form as necessary to complete activation.