You must activate your Kaspersky Lab application after installing it. To do so, enter the activation code you have purchased or click Activate trial version of the application within the application to receive a free trial license for 30 days. Once the trial license expires, the anti-virus databases will no longer be updated and most of the application’s functions will become unavailable. For more information about trial licenses, see this article.
Purchase an activation code and activate the application to continue using it.
After your first purchase, you can extend your license term or transfer it to a different Kaspersky Lab product with protection for the same, or greater, number of devices. To do so, buy an activation code at a discount in the Renewal & Upgrade Center. You will need the key for the previous license you purchased. For more information, see this article about license renewal.
Activate the application with the activation code you received after making your purchase.
If any issues arose when purchasing an activation code to renew your product license (for instance, you didn’t receive an activation code after making your payment):
About the activation code for Kaspersky Lab productsHow to activate Kaspersky Total Security 2018How to activate Kaspersky Anti-Virus 2018 How to activate Kaspersky Internet Security 2018
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