Microsoft OS/2 1.0

Information

 * Announcement Date: April 2, 1987
 * Release Date: Offered for first quarter of 1988 but released early on December 1987.
 * Codename: CP/DOS
 * Language: American English (en-US)
 * List price: $325 for IBM OS/2 1.0 Standard Edition.
 * Media: 5¼” or 3½” format

OEM's Versions:
 * Zenith
 * Maynstream
 * Tandy