Compaq, who had previously held the third place spot among PC manufacturers during the 1980s and early-mid 1990s, initiated a successful price war in 1994 that vaulted them to the biggest by the year end, overtaking a struggling IBM and relegating Apple to third place. Apple's market share further struggled due to the release of the <answer>Windows 95</answer> operating system, which unified Microsoft's formerly separate MS-DOS and Windows products. <answer>Windows 95</answer> significantly enhanced the multimedia capability and performance of IBM PC compatible computers, and brought the capabilities of Windows to parity with the Mac OS GUI.
What unified Microsoft's MS-DOS and Windows products?
Windows 95