If you need protection without paying immediately, Kaspersky offers official free alternatives: About the activation code - Kaspersky support
Kaspersky occasionally recruits beta testers for new versions. Beta testers get free product keys for the duration of the testing period. Sign up on the Kaspersky Beta Forum. Kaspersky Total Security Activation Code Free
Kaspersky’s activation system is server-side. Even if you type 50 codes from a “generator,” the Kaspersky servers will reject them. almost always contain trojans or backdoors — you end up trading security for “free” software, which defeats the purpose of an antivirus. If you need protection without paying immediately, Kaspersky
Using a free activation code for Kaspersky Total Security is not necessarily illegal, but it may violate Kaspersky's terms of service. Kaspersky offers a free trial version of its product, which can be used for a limited time without an activation code. However, users who use a free activation code to access the full features of Kaspersky Total Security may be infringing on Kaspersky's intellectual property rights. Kaspersky’s activation system is server-side
