Ready to move on up to Windows 10? Here are all the steps you need for success.
The latest version of Mac OS X -- 10.10.5 -- fixes a serious security hole that was first reported in early July.
The nasty bug, which could give hackers access to the entire operating system, is set to be fixed in the next security update.
This week, win a free copy of Iolo Technologies software that helps keep your PC speedy and junk-free.
From the CNET vault: As CNET celebrates its 20th anniversary, we went in search of Brian Cooley's first appearance on the site. Here he explains a magical new device called a webcam.
The forum was used by cybercriminals to buy and sell malicious software, stolen data and more. It was, says an official, the "most sophisticated English-speaking forum for criminal computer hackers in the world."
The New Horizons probe passes by the dwarf planet at 30,000mph, but the mission isn't over yet.
At Comic-Con 2015, the director of the hotly anticipated "Star Wars Episode VII: The Force Awakens" calls ethnic and gender diversity in film roles "a big consideration."
Pao, a polarizing figure in Silicon Valley after a high-profile gender discrimination suit, stepped down as the leader of the popular social-networking and news site after hundreds of thousands called for her to resign.
Critics say Ellen Pao is fostering censorship that will destroy the community-curated news site. Reddit issues mea culpa, saying it's "screwed up" for years.