We recommend that you use a trial version Kaspersky Total Security to familiarize yourself with the application. The trial license allows you to access all the application’s features, but its term is limited to one month. 

To apply the trial license:

1. In the main window of Kaspersky Total Security, click Enter activation code.

• To learn how to open the application, see this guide.

2. Click Activate trial version of the application.

3. Click Done.

The trial license will be activated for one month. To continue using Kaspersky Total Security after the trial period has elapsed, purchase a license.

You may need the activation code for renewal or contacting Customer Service. We recommend that you connect the application to My Kaspersky to have the activation code at hand. See this article for instructions.

To activate the application:

1. In the main window of Kaspersky Total Security, click License: ... days remaining.

• To learn how to open the application, see this guide.

2. Click Enter activation code.

3. Enter the code from the email you received after buying the license and click Activate.

4. Click Done.

Kaspersky Total Security will be activated.

If you purchased a license for multiple devices, activate Kaspersky Total Security on all the devices using the same activation code.

You can use the activation code for Kaspersky Total Security to activate the following applications:

• Kaspersky Internet Security for Android
• Kaspersky Internet Security for Мас 19 and 18
• Kaspersky Password Manager for Windows / Mac / Android / iOS
• Kaspersky Safe Kids for Windows / Mac / Android / iOS

You can also activate Kaspersky Total Security 19 and 18. To learn which version of Kaspersky Total Security you are using, see this article.

You can find instructions on how to solve activation issues in the Activation errors section.

If the issue persists, submit a request to Kaspersky Customer Service by choosing the topic and filling out the form.