Used. Untested. 30-day free return."Explore the world of vintage computing with this Quarterdeck QEMM 8 Upgrade software package. This comprehensive memory manager was designed to optimize performance for Intel-based PCs running DOS, Windows 3.1, and Windows 95, making it a valuable piece for retro PC enthusiasts and collectors. The package includes the original box, a user guide, and multiple 3.5" HD floppy disks, along with an additional handwritten disk labeled as a patch.Quarterdeck QEMM 8 was known as "The only memory manager you'll ever need," offering a universal upgrade solution to enhance system memory. Features the iconic Quarterdeck "Q" logo and abstract circuit board graphics on the packaging and media. The software comes with a user guide and several 3.5" HD floppy disks, including a Disk 1, Disk 2, and Disk 3, all labeled for "Distributor Upgrade" for Quarterdeck Expanded Memory Manager™ v.8.0. An additional 3.5" floppy disk, likely a patch, is included with handwritten text "Patch QEMM 803" on its label. This is a great item for anyone collecting vintage PC software, especially those interested in the evolution of operating systems and memory management during the 1990s."