The DDK contains sample sources, books, online information files, and tools for developing drivers and virtual devices for the following:
Standard-mode Windows
386 enhanced-mode Windows
Microsoft Windows for Pen Computing
Microsoft Windows Multimedia
Additionally the DDK contains test suites to verify the performance of display, printer, and network drivers and qualify them for participation in the Windows 3.1 Driver Library Program.
The DDK is provided on both CD-ROM and 3.5-inch, 1.44-megabyte disks. (5.25-inch, 1.2-megabyte disks are available by calling Microsoft at 800-426-9400.) You install the DDK by copying the disk contents to your hard drive. For more information about installing the DDK, see Chapter 1, “Getting Started.”