Make sure that your device is connected to an active internet connection and you have the details like product key and login information of McAfee account as these are primary requirements to complete the installation process of the McAfee Total Protection program.

1. Using your device, visit the mcafee.com/activate page
2. Now, on the activation page, log in to your McAfee account
3. After logging in to your account, you will be asked to provide the 25-digit product key
4. Enter the product key carefully in the corresponding field and tap on the ‘Submit’ button
5. Now, find the ‘McAfee Total Protection Program Download’ link and tap on it
6. Then, wait for a while and let the browser finish the downloading process
7. After completing the downloading process, locate the downloaded file on your computer or mobile
8. For computer users, right-click on the file and select the ‘Run’ option
9. Follow the instructions to install the McAfee Total Protection software on your device
10. Finally, you have completed the installation steps for the McAfee Total Protection program