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Let's install McAfee on your devices now

Internet protection powered by McAfee®

McAfee Multi-Access
Click Manage my devices to install McAfee on your PC, Mac, tablet, and smartphone.
Protecting you and your family online is a top priority for us. It's why we offer Internet protection powered by McAfee, a trusted solution for your identity, privacy, and data on multiple devices.

Security beyond antivirus

Optimum is committed to providing you with the tools and information that will keep you safely connected at home or on the go. As a valued Optimum Internet subscriber, you can opt to purchase Internet protection powered by McAfee. You can protect up to 20 devices and take action when needed to avoid the latest online threats.

Download & Installation instructions

Steps to download internet protection powered by McAfee for Optimum Online customers:

Step-by-step instructions for Windows desktop

Step 1

Click on the "Sign in to Get Started" button located at the top of this page. You will be taken to a page that will prompt you to log in with your Optimum ID and password.

Step 2

You will be redirected to the McAfee portal page. Click the "Download" button to download the installation file.

Step 3

Once you have read and agreed to the License Agreement terms, click on "Agree and Download".

Step 4

Click to open the installation file that has been downloaded to your device. Your browser will highlight where this file is accessible to open.

Step 5

Next, simply follow the instructions provided by McAfee to complete the software installation.

Step 6

You will receive confirmation that your device is now protected.

System requirements

Operating System

  • Microsoft Windows 10, 8.1, 8, and 7 SP1 (32- and 64-bit)
  • MAC OS 10.12 to 10.15
  • Google Android smartphones and tablets 4.1 or higher Apple iOS 10 or later

Email Programs for Anti-Spam

  • POP3 - Outlook, Thunderbird
  • MAPI (Microsoft Exchange Server) - Outlook
  • WebMail - Any webmail account with IMAP/POP3 access. (Anti-Spam checks the email you receive through a browser)

Required for Anti-Spam Toolbar

  • Microsoft Outlook 2010, 2013, 2016, 2019
  • Thunderbird 38.0+

Supported Browsers

  • Internet Explorer 10.0 or later
  • Firefox
  • Google Chrome
  • Safari (Mac and iOS OS Only)
  • Microsoft Edge (Chromium-based)
  • Microsoft Edge


  • 2 GB RAM for Windows 7 and above
  • 500 MB free drive space
  • 1 GHz Processor

Internet Connection Required

  • High-speed connection recommended

Get help with McAfee

Having issues with pop-ups or unwanted advertisements?

If you're running into issues with pop-ups on your browser or your computer, it may be due to having downloaded unwanted software. You can follow the tips shared here for more help and information

Problems with installing McAfee?

If you're having issues with installing McAfee, check to make sure you've prepared your Windows system to support it. Refer here for troubleshooting tips.

If you're getting an "Installation Incomplete" error, following the tips here may help.

For more troubleshooting tips/hints, refer to our McAfee FAQs