If you want to use McAfee without paying upfront, there is a way to do so: the Official Free Trial.
: Many new Windows PCs come with a pre-installed McAfee trial. You can activate this by following the on-screen prompts during your initial PC setup without needing a credit card.
You may need to enter billing information to activate the trial, but you can cancel before the 30 days are up to avoid being charged.
Using cracked keys or bypassing activation is software piracy. This violates McAfee’s Terms of Service and is illegal. If detected, your software will be disabled, leaving your computer vulnerable.
If you do not have a purchased key, you can still access McAfee's features legally: