Before starting the installation:

How to Download & Install Kaspersky Antivirus

Step 1. Download the installer from Kaspersky Lab website. Double-click the downloaded file.

Step 2. Click Install.

Starting the installation of Kaspersky Anti-Virus 2016

Step 3. Review Kaspersky Lab’s End User License Agreement by clicking on the respective link. You need to accept its terms to install the application.

End User License Agreement for Kaspersky Internet Security 2016

Step 4. We recommend that you participate in Kaspersky Security Network. If you accept the KSN Statement, leave the check box selected.

Kaspersky Security Network in Kaspersky Internet Security 2016

If you are installing the application on Windows VistaWindows 7Windows 8, or Windows 8.1, you may receive the User Account Control notification. To proceed with the installation, enter your administrative password and click Yes in the User account control window.

UAC dialog when installing Kaspersky Anti-Virus 2016

Step 5. Wait for the installation to complete. Make sure that the check box Run Kaspersky Internet Security is selected and click the Finish button to complete the installation.

Kaspersky Internet Security 2016 has been installed successfully

After you have installed and run Kaspersky Internet Security 2016, activate it with a commercial license.

Installation via the command prompt

  1. Download the installer from the Kaspersky Lab website or by following the link from the online store.
    • In the search line, type cmd.
    • Right-click cmd.exe in the search results and select Run as Administrator.
    • In the User Account Control window, click Yes.
  2. Drag-and-drop the installer to the command line window. The installer file path will appear in the command line.
  3. In the command line, type a command to run the installer, with the necessary parameters and options (see Command line installation parameters and properties).
  4. After you enter the command, press Enter on the keyboard. The Kaspersky Anti-Virus 2018 installation will start with the parameters applied.
  5. Follow the steps of the installation wizard to complete the installation.

Command line installation parameters and properties

Main parameters:

command name value example
/s non-interactive (silent) mode without displaying dialog boxes KAV18.0.0.445.en-EN.exe /s
/p<option>=<value> is used to specify the installation options KAV18.0.0.445.en-EN.exe /pALLOWREBOOT=1 /pSKIPPRODUCTCHECK=1
/h opens help dialog box

Additional settings

command name value example
/a denotes administrative installation when installation files are copied to a specified network folder KAV18.0.0.445.en-EN.exe /aZ:\KasperskyLab
/sendstat /sendstat enables sending statistical reports in the silent mode when the parameter /pAGREETOEULA=1 is used
/noreboot blocks the dialog that requires that the computer should be restarted after the installation has been successfully completed
/t defines the path to the file with the installation log
/g allows setting the tracing level for the installation process (possible values: {1, 2, 3}, where 1 is the minimum value).
/l defines the language used while the multi-language version is being installed
/recommended blocks displaying recommendations on additional application installation
/x starts product removal KAV18.0.0.445.en-EN.exe /x

Most significant installation properties:

command name value example
ACTIVATIONCODE=<value> applies an activation code
AGREETOEULA indicates the user’s consent to the License Agreement
JOINKSN indicates the user’s consent to participate in Kaspersky Security Network
INSTALLDIR=<value> used for specifying the installation folder KAV18.0.0.445.en-EN.exe /p”INSTALLDIR=C:\Documents and Settings\kav2018″
KLPASSWD=<value> used to protect certain functions of the product with a password If the value of the parameter KLPASSWDAREA is not set, it will be applied to the default scope:

  • making changes to the application’s settings
  • closing the application
KAV18.0.0.445.en-EN.exe /pKLPASSWD=12345678
KLPASSWDAREA=[SET|EXIT|UNINST] defines the scope of the password specified by the optionKLPASSWD:

  • SET — making changes to the application’s settings
  • EXIT — closing the application
  • UNINST — removing the application

The option may have multiple values; in such case, the values are divided by a semicolon.

SELFPROTECTION=1 enables the product’s Self-Defense during the installation KAV18.0.0.445.en-EN.exe /pSELFPROTECTION=1
ALLOWREBOOT=1 allows restarting the system if it is necessary KAV18.0.0.445.en-EN.exe /pALLOWREBOOT=1
SKIPPRODUCTCHECK=1 skips checking for applications incompatible with Kaspersky Anti-Virus 2018. KAV18.0.0.445.en-EN.exe /pSKIPPRODUCTCHECK=1

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

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



allows a computer restart and skips the incompatible software check.

How to activate Kaspersky Anti-Virus

  • To activate the commercial version of Kaspersky Anti-Virus 2016, use a 20-digit activation code. You can find the activation code on the Quick Start Guide if you have a boxed version or in the message sent to your e-mail if you bought the code in the online store. If you do not have an activation code, buy it at the Kaspersky Lab official eStore.
  • You can also activate a 30-day trial license by clicking the corresponding link in the Activation window.
  • To renew the commercial license, follow these instructions or go to License Renewal & Upgrade Center.
  • If you encounter any errors while activating the product, please see the articles in the following knowledge base sections: Common installation and activation errorsKaspersky Anti-Virus  errors.

How to install and activate the product on multiple computers

Each copy of a multiple-device license for Kaspersky Anti-Virus 2018 (for example, a 3 PCs license) is installed and activated in the same way on all computers you want to protect.

To activate Kaspersky Internet Security 2018 on all computers, use one and the same activation code you purchased.

What to do in case of installation errors

You can encounter errors while installing Kaspersky Anti-Virus 2018. You can find instructions on how to solve issues in the General articles: Activation errors section.

If the issue persists, send a request to Kaspersky Lab Technical Support via the My Kaspersky portal. In your request, give a detailed description of the problem. For more information about My Kaspersky, see the Online Help page.


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