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To use the attached key file, save the file on the hard disk of your computer.

  • If Dr.Web KATANA is already installed in the system, right-click on its icon in the system tray, and select Tools → License Manager (if the License Manager item is not available, switch to Administrative mode). In the License Manager window, click on Get new license, select Other activation types and in the newly appeared window, select your key file.
  • If Dr.Web is not installed on your computer, download the program distribution from our website, and run the installer. During installation specify the path to the extracted Dr.Web key file.

If you first installed Dr.Web KATANA and then used the program's registration utility to register your serial number, the key file is already downloaded into the proper directory on your computer.

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The Russian developer of Dr.Web anti-viruses

Doctor Web has been developing anti-virus software since 1992

Dr.Web is trusted by users around the world in 200+ countries

The company has delivered an anti-virus as a service since 2007

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© Doctor Web
2003 — 2019

Doctor Web is the Russian developer of Dr.Web anti-virus software. Dr.Web anti-virus software has been developed since 1992.

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