McAfee, one of the best internet security software, protects your system from the potential threats of viruses and malware. In case you wish to crack activation key for mcafee, then follow the steps shared below • Download and install McAfee antivirus security in your system • Once installed, run it in the system • Now enter the 25 digit activation key in the space • Click on ‘Activate Now’ • McAfee subscription is now activated in your device Please note that you can find the activation key either printed on the box (if bought from a retail store) or in your email if purchased online.