Kaspersky Internet Security 20

1. Download the Kaspersky Internet Security installation package from the Kaspersky website, or via the link in the email you received from the online store.  
2. Run the installer.
3. Wait until the searching for a newer version of the application has been completed, or click Skip.

4. Read the End User License Agreement and click Continue if you agree to the terms.

5. Read the Kaspersky Security Network Statement carefully. Select the checkbox if you agree to the terms.
   If you don’t want to participate in the Kaspersky Security Network, clear the checkbox.
6. Together with Kaspersky Internet Security, Kaspersky Secure Connection will be installed to ensure protected connection to the Internet. Click Install. 

7. Wait for the installation to complete. Make sure the recommended settings are enabled and click Apply.

9. Click Done.

Kaspersky Internet Security will be installed. 

1. Download the installation package from the Kaspersky website or via the link in the email you received from the online store.
2. Open the command line as an administrator. See this article for instructions.
3. Enter the address of the installer and the command to start the installation with the parameters and properties you require. The parameters and properties are described below.
4. Follow the instructions in the Setup Wizard.

Main parameters:

Additional settings

Most important installation properties

By using the SKIPPRODUCTCHECK=1 parameter, you assume responsibility for the possible consequences of the Kaspersky Lab product's incompatibility with other applications.

The SKIPPRODUCTCHECK=1 parameter only allows you to ignore those applications that should be removed manually.

Example of a command which allows the computer to restart and skips the incompatible software check:

When purchasing a license for multiple computers:

1. Install Kaspersky Internet Security on all the computers. 
2. Activate Kaspersky Internet Security on all the computers with the same activation code. See this article for instructions. 

1. Update the Kaspersky Internet Security anti-virus databases. See this article for instructions.
2. Check the protection status in the application main window. 
3. Run a full scan of the computer. See this article for instructions.

Should you encounter any errors while installing Kaspersky Internet Security, see the Installation errors section for troubleshooting guides.