McAfee offers a free online virus scan through its McAfee Virus Scan tool at mcafee.com. You can also use the 30-day free trial of McAfee Total Protection to run a full system scan. McAfee WebAdvisor (browser protection) is permanently free for Chrome, Edge and Firefox.
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McAfee Free Virus Scan Options
Option 1: McAfee’s 30-Day Free Trial
The most comprehensive free scan option is McAfee’s 30-day trial of McAfee Total Protection. Download and install the full version — all scanning features are active during the trial including real-time scanning, Quick Scan, Full Scan, and custom scans.
Option 2: McAfee Free Security Tools
McAfee offers several free standalone security tools including McAfee Stinger — a lightweight utility that scans for specific prevalent malware families without requiring a full McAfee subscription. Download it from the official McAfee website.
Option 3: McAfee WebAdvisor (Free Browser Protection)
McAfee WebAdvisor is a permanently free browser extension for Chrome, Edge and Firefox that blocks malicious websites and warns you about dangerous downloads. It does not scan your existing files but prevents new infections from web browsing.
How to Run a McAfee Scan (Trial or Paid)
- Open McAfee on your computer
- Click PC Security
- Select Antivirus > Scan Types
- Choose Quick Scan (5–15 mins) or Full Scan (30 mins–3 hours)
- Click Run Scan
- Review and remove any threats found
