Kaspersky does not sell lifetime licenses. All legitimate licenses are 1, 2, or 3 years. Any website selling a "lifetime code" is 100% a scam.
Kaspersky Free is excellent for basic protection. Upgrade to the paid version (with a real code) only if you: Kaspersky Internet Security Free Activation Code
If you're looking for alternative security solutions, consider: Kaspersky does not sell lifetime licenses
Here is why: