Kaspersky Internet Security for Mac

Patch A for Kaspersky Internet Security for Mac version 21.0.0.464 was released on September 21, 2020.

In patch A: 

• Support for macOS 11 (Big Sur) and the System Extensions technology has been added. For limitations in application use with macOS 11, see this article.
• Several application issues have been fixed.

To install the patch:

1. Run the database update in Kaspersky Internet Security for Mac. See the Online Help page for instructions.
2. Restart the computer once the updates have been installed.

The patch will be installed. To check if the patch was installed correctly:

1. Open Kaspersky Internet Security for Mac.
2. In the upper left corner of the screen, click Help → Support.

The information about the application version will be available in the window that opens. The version number will have the letter a added.