In order to activate your McAfee antivirus on your device, you will need to follow these steps:

1) Firstly, you need to go to the mcafee website www mcafee com activate and then click on “activate now”.

2) After clicking on activate now, a window will pop up where you will be asked for your email address and product key.

3) You have to type in your email address and product key from your activation code card or from your email receipt.

4) Once you have typed in these details, click on “next” and then it will ask for a confirmation before starting the activation process.

5) Click on “start.

If you have a tech-related issue or question, you can find tech operations manuals on the McAfee website. You can also search for tech-related topics on their knowledgebase.