The product is a 1991 Symantec Norton Antivirus software disk in IBM format, specifically designed for use with 3.5" floppy drives. This vintage computing item is a piece of software history that would have been used to protect and safeguard computer systems from viruses and malware. With the IBM brand involved, it indicates that this software disk is likely to be compatible with IBM computers from that era and provides a glimpse into the security measures and software solutions available in the early 90s.
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