"And so if you think about the Windows revenue growth being really on the high end of our estimated PC shipment range, it's really a function of: one, business PC is really doing well relative to consumers. And again, that's consistent with the theme we've seen on businesses investing in their technology," Klein said.

Profit dipped year-on-year to $5.11 billion from $5.23 billion, but mainly as a result of a tax break the company took last year, without which net earnings would have increased this year. Revenue increased 6 percent to US$17.41 billion in the quarter.

Strong enterprise sales did not appear to help other vendors in the stock market, however.

For example EMC, considered a strong indicator for enterprise tech sales because of its strength in industrial-grade storage, Thursday reported its ninth consecutive quarter of . Sales for the quarter jumped 11 percent to $5.1 billion, while net income rose a healthy 23 percent to $587 million.

Meanwhile IBM, a major bellwether for corporate IT sales due to its broad product portfolio in hardware, software and services and global reach, that quarterly revenue stayed flat year over year at $24.7 billion, but that net income rose 7 percent to $3.1 billion. Software was key to the quarter as middleware sales were particularly strong, rising 7 percent year over year to $3.5 billion. Hardware, however, did not do as well as sales for the Systems and Technology division declined 7 percent to $3.7 billion.