With Microsoft on the cusp of its next OS leap forward, the 13-year-old XP still is more popular than Windows 8 and 8.1 ...

Microsoft on Wednesday introduced a campaign to market new PCs equipped to run the company's upcoming Windows XP desktop operating system. Under a program called "Windows XP Ready PCs," the software ...

Microsoft Corp. shipped its Windows XP desktop operating system to PC manufacturers Friday, accompanied by much fanfare from the software giant and gripes from rival Sun Microsystems Inc. The “gold” ...