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To use the attached key file, save the file on the hard disk of your computer.
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.
Doctor Web is the Russian developer of Dr.Web anti-virus software. Dr.Web anti-virus software has been developed since 1992.
2-12А, 3rd street Yamskogo polya, Moscow, Russia, 125040