Use the McAfee product key or eCode found at mcafee.com/activate to reinstall your McAfee product.
1. Uninstall the existing McAfee software (if applicable).
2. Visit the McAfee Activation Page through Mcafee.com/activate.
3. Sign in to your McAfee account.
4. Enter your product key or e-code.
5. Download and install McAfee.
6. Run the installer.
7. Turn on McAfee https://www.mcafecomactivate.com