To install McAfee Antivirus, start by calling the toll-free number +1-844-439-2211 for any assistance. First, purchase a McAfee subscription from their official website. Once purchased, log in to your McAfee account and select "Download." Follow the on-screen prompts to download and install the antivirus on your device.

After installation, open McAfee and activate the software by entering your product key. For help during setup, dial +1-844-439-2211 to speak with McAfee support. This quick setup will protect your device against viruses and malware.