Debugging requires a second monitor and graphics card. Windows 2.0 Windows can now overlap. Dialog boxes are now easier because of built in support for dialog box creation and processing. Excel includes a cut down copy of Windows, as the market penetration is still tiny. By Charles Petzold.
Programmers can now write programs which work.
Microsoft support help you with programming problems without asking for a credit card. The origin for drawing is the bottom left corner. Programmer productivity is boosted because we can now run the DOS compiler from within windows. This is the first version of Windows which the world really notices. The SDK documentation now comprises three bound paperbacks.