F-Secure Internet Security


  1. Delete any security software including old/trial version from you PC before installing the new one. Go to CONTROL PANEL > UNISTALL/REMOVE A PROGRAM > RESTART PC.
  2. Now simply SAVE then RUN F-Secure Internet Security Installation File from the below link:F-Secure Internet Security
  3. Follow the steps on screen (select language, accept license terms).
  4. Type your product key when prompted to ACTIVATE 1 YEAR SUBSCRIPTION and follow the on-screen instructions to complete installation.

Please feel free to contact us or F-Secure Online Support for any further assistance.

F-Secure Chat Support: https://www.f-secure.com/en/home/support/contact

F-Secure UK Helpline: 0203 936 1490

Mustech Customer Service