Installation Guide for Kaspersky

Quick Steps

For a detailed guide with screenshots, visit our step-by-step tutorial below.

1. Download the Installer
   Go to the Keys.Express Download Center and visit the official web page Kaspersky AntiVirus. Click the Kaspersky AntiVirus download link to start downloading the setup file.
2. Run as Administrator
   Once downloaded, navigate to your Downloads folder. Right-click the installer file (kav21.x.x.xen_xxxxx.exe) and choose Run as administrator.
3. User Account Control Prompt
   When prompted by User Account Control, click Yes to allow the app to make changes to your device.
4. Review and Install
   In the setup window, click Continue to accept the End User License Agreement and Privacy Policy. Check the boxes to participate in Kaspersky Security Network (KSN) and install Kaspersky Password Manager, then click Install.
5. Wait for Installation
   The installation progress bar will appear. Wait until all components are installed.
6. Recommended Settings
   Once complete, keep all default settings selected—then click Apply to confirm.
7. Finish Installation
   A confirmation message will appear: “The application has been installed successfully.” Click Done to finish setup.
8. Activate Your License
   Open Kaspersky AntiVirus, click Enter activation code, and type your product key. Click Activate to complete activation.

Detailed Walkthrough

1. From the Security Solutions list, select Kaspersky AntiVirus and click the download button.

2. After the download finishes, open your Downloads folder and find the file named kav21.3.10.391en_xxxxx.exe.

3. Double-click the setup file and click Continue when the welcome screen appears.

4. Ensure both checkboxes are selected for full protection, then click Install.

5. If Windows asks for permission, click Yes to continue.

6. Wait for the application to download and install all required components.

7. Keep all default options selected and click Apply to proceed.

8. Once installation completes, click Done to close the setup wizard.

9. Click Enter activation code, type your license key, and press Activate.

10. Enter your 20-character activation code, then click Activate to enable your protection.

If you face any installation or activation issues, please contact our support team through the Keys.Express Contact Form. Attach a screenshot of the error message for faster assistance.

Your Keys.Express Team