To update the application, you need an active license. You can buy an activation code in our online store. To renew a license with a discount, License Renewal and Upgrade Center.
To upgrade an older version of the application to Kaspersky Anti-Virus 2017, download a new version from the Kaspersky Lab website and install it without removing the older application.
If the application database update causes errors, follow the recommendations from the article How to diagnose update problems in Kaspersky Lab products.
The application is updated every two hours and downloads data only for the enabled application components. You can change update frequency in application settings.
If the application icon is hidden from the notification area, click the Show hidden icons arrow, then click the Kaspersky Lab icon. If the Kaspersky Lab icon is still absent, start Kaspersky Anti-Virus 2017.
Move your mouse pointer over the Kaspersky Anti-Virus 2017 icon in the lower-right corner of the Desktop.
If the application icon is hidden from the notification area, click the Show hidden icons arrow, and then move your mouse pointer over the Kaspersky Anti-Virus 2017 icon. If the Kaspersky Lab icon is absent, start Kaspersky Anti-Virus 2017.
Release of antivirus database updates (required to protect your computer/server/mobile device)
Providing technical support over phone / web
Release of patches for the application (addressing detected bugs)
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