I got a copy of RightWriter 4.0 on 360k 5.25-inch floppies from the thrift store after noticing that it might be rather rare, being an early form of software similar to Grammarly. Turns out that this particular format, the 5.25-inch 360k disks for version 4.0 has never been archived or uploaded onto any major archival site such as Winworld, BetaArchive, or Archive.org.

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