In order to install
Kaspersky Anti-Virus 2012 from the command prompt, do the following:
- Download the distributive of Kaspersky Anti-Virus 2012.
- Unpack all files from the downloaded distributive using any application to work with archives (for example, 7-zip). Find the setup.exe file.
- On the computer where you want to install Kaspersky Anti-Virus 2012, run the command prompt:
- in the left bottom part of the screen click Start
- select (All) Programs > Accessories > Command Prompt

- Drag and drop the setup.exe file to the Command Prompt window. The path to the file will be added.
- In the Command Prompt window you can enter a command to launch the executable file setup.exe with various installation parameters and properties. The file can be launched with the following keys:
- main parameters:
- /s –silent mode (no dialog windows are displayed during the installation) (the correct syntax in the command prompt is the following: setup.exe /s)
- /p <property>=VALUE> – specify an installation property (the correct syntax in the command prompt is the following: setup.exe /p "ALLOWREBOOT=1 SKIPPRODUCTCHECK=1")
- /h – hint

- additional parameters:
- /a – administrative installation (installation files are copied to the defined network folder) (the correct syntax in the command prompt is the following: setup.exe /a"Z:\Kaspersky Lab")
- /x – uninstall the product (the correct syntax in the command prompt is the following: setup.exe /x)
- most significant installation properties:
- ACTIVATIONCODE=<VALUE> – activation code of the product
- ALLOWREBOOT=1 – allow reboot if necessary (the correct syntax in the command prompt is the following: setup.exe /p "ALLOWREBOOT=1")
- INSTALLDIR=<VALUE> – installation directory (the correct syntax in the command prompt is the following: setup.exe /p "INSTALLDIR=C:\Documents and Settings\Administrator\kav2012")
- KLPASSWD=<VALUE> – set up a password to various product functions (the correct syntax in the command prompt is the following: setup.exe /p "KLPASSWD=12345678"). If the value of the KLPASSWDAREA parameter is not set, then the default password scope is used:
- change product settings
- finish product work
- KLPASSWDAREA=[SET|EXIT|PARCTL|UNINST] – password scope set by the KLPASSWD parameter:
- SET – changes product settings
- EXIT – finishes product work
- UNINST – uninstalls the product
Multiple values of the parameter are entered through a semicolon ";".
- SELFPROTECTION=1 – enables product self-defense during the installation process (the correct syntax in the command prompt is the following: setup.exe /p "SELFPROTECTION=1") .
- SKIPPRODUCTCHECK=1 – skips product check for incompatible software with Kaspersky Anti-Virus 2012 products (the correct syntax in the command prompt is the following: setup.exe /p "SKIPPRODUCTCHECK=1").
Using the SKIPPRODUCTCHECK=1 value may cause unpredictable results in cases if other incompatible third-party software is installed. If you use the value, you take upon yourself all resposibilities concerning unpredictable causes.

The search is performed for the products which
Kaspersky Anti-Virus 2012 always detects but does not delete automatically (the detected software should be removed manually).
For example, the following command setup.exe /p "ALLOWREBOOT=1 SKIPPRODUCTCHECK=1" entered and executed during the installation of Kaspersky Anti-Virus 2012 allows computer reboot and skips search for incompatible software.

- After you have entered the command in the command prompt, press the Enter key on the keyboard. As a result installation of Kaspersky Anti-Virus 2012 is launched.
- Follow the instructions of the Setup Wizard and finish the installation of Kaspersky Anti-Virus 2012.