The application is updated automatically if you select the Automatically update mode in the update settings window (Security → Anti-Virus Database Update → Databases update schedule).
While downloading the update, the application compares the previous and new versions of the End User License Agreement, Kaspersky Security Network Statement, and Statement regarding data processing for marketing purposes. If the texts of agreements and/or statements are not identical, the application prompts you to read and accept them again.
Limitations on upgrades from a previous version of the application
Upgrading from Kaspersky Free entails the following limitations:
When a previous version of Kaspersky Free is upgraded, the following application settings are replaced with default settings:
Kaspersky Free display settings;
Scan schedule;
Participation in Kaspersky Security Network;
File Anti-Virus protection level;
Mail Anti-Virus protection level;
Update sources;
List of trusted web addresses;
URL Advisor settings.
After an upgrade from a previous version, Kaspersky Free starts automatically even if automatic startup of the application is disabled in the settings that have been saved. When the operating system restarts afterwards, Kaspersky Free does not start automatically if automatic startup of the application is disabled in the settings that have been saved.