Microsoft Corp., the world’s largest software maker, reported second-quarter profit that topped analysts’ estimates after Windows 7 spurred the first sales increase in a year.

Second-quarter net income rose 60 percent to $6.66 billion, or 74 cents a share, beating the 59-cent average estimate of analysts. Revenue climbed 14 percent to $19 billion, the company said yesterday in a statement.

Microsoft rose 34 cents to $29.50 in after-hours Nasdaq trading.