McAfee Activate – Download and Install McAfee Product-This antivirus program is so light and easy to install, you and your family will be protected in just moments. It’ll then keep protecting you day and night, automatically updating itself against the latest threats to help keep you and your family safe.

McAfee Activate – Download and Install McAfee Product
McAfee.com/Activate – With the growing usage of internet by the users for various purposes, there has been noticed a wide growth in the online threats that may cause harm to their devices in several ways. Thus, to provide an amazing defensive layer of protection against all the online threats, McAfee has developed various online security products. The McAfee products also keep the data of its users safe and secure from being misused by the malicious users or websites.

Steps for McAfee Installation
Installation is just the next step after downloading the McAfee product
To begin the installation, click on the downloaded setup
Click next and follow on-screen instructions
Provide the product key that you have got with your purchased subscription when prompt to do so
Steps for McAfee Activation
If you have purchased an offline McAfee subscription, then you must be having a McAfee retail card

For activation, visit the link mentioned on the McAfee retail card
Select the country and the language of your preference
Provide the registration number mentioned on the card and then your email ID
Click Submit and then verify
And it’s done, your McAfee subscription is activated
Bonus Tips for Hassle-free McAfee Activation
Install the latest updates of your Operating System.
Make sure that your system meets the minimum configuration for McAfee activate.
Uninstall earlier versions of McAfee AntiVirus or any other conflicting software from your system.
Remove all junk and temporary files from your system.
Make sure that you have a valid subscription of McAfee security product.

Reference:-
Install McAfee with activation code

Download McAfee to your computer. Buy an supported plan with license key. Put the license key to application. You can access McAfee now.

Thanks for the instruction. I'll try to do it again. Otherwise it was a great mistake to buy this antivirus.

What was your problem about activating exactly? If you still can't activate it with this tutorial, I suggest you contacting mcafee customer support. Here https://mcafee.pissedconsumer.com/review.html are their contacts if needed. I believe they'll definitely help you, they are obliged to provide proper support to their customers. And this is the exact case.