Offline Activation



Use the Offline Activation guidelines to activate your copy of Eye Test KFR 2020 software,


Please follow the following instructions to activate your copy of Eye Test KFR 2020 software.


  1. Upon three unsuccessful activation attempts the "Offline Activation" panel will be visible to the user in the right section of the user-interface. (Fig. 1)

  2. figure 1

    Figure 1

  3. A 32-character Activation Key including letters and numbers will be available to copy in the Offline Activation section.


  4. Navigate to eyetechlk.pahinv.com/activate (or click "Navigate to offline activation page") and enter the fields as required. (Fig. 2)

  5. figure 2

    Figure 2

  6. A valid Serial Key will be generated to you once the details are entered correctly. The Serial Key should contain 16 characters including letters and numbers.
    • Ex:
    • Serial Key: 1234-5678-90AB-CDEF

  7. Enter the provided Serial Key in the "Serial Key" section in the user interface as follows, without dashes. (Fig. 3)
  8. figure 3

    Figure 3

  9. Please press the "Activate Offline" button to activate your copy of the software. If you entered the provided Serial Key correctly, the following message will be appeared. (Fig. 4)
  10. figure 4

    Figure 4

  11. After successfully going through the above 6-steps, the Eye Test KFR 2020 software is ready to use. The main user interface will be shown as below. (Fig. 5)
  12. figure 5

    Figure 5