This vintage user manual from Microsoft is a rare find for collectors and enthusiasts of computing history. It comes with a Certificate of Authenticity and is still sealed in its original packaging. The manual provides comprehensive instructions and information on the MS-DOS operating system, a crucial piece of software that paved the way for modern computing. The manual is a great addition to any collection of vintage manuals and merchandise. It was made in the United States and is in excellent condition, ready to be enjoyed by the next owner. Don't miss out on the opportunity to own a piece of computing history.

• User's Guide MS-DOS Microsoft with Certificate of Authenticity PB Sealed