Windows XP's blend of a new operating system with new internet technologies has attracted the attention of the IT world, not least because of the threat of legal action against it.
Our reviewers believe that XP is going to shake up the PC world. It won't happen immediately after its 25 October launch but, by the time it has been pre-installed on enough new machines to reach critical mass, we'll all have to adopt it.
We've got all the news, reviews and analyst and user comment you'll need to help you decide whether to upgrade - and what your decision will mean to Microsoft.
IBM and Technical University of Munich team demonstrate how Shor's algorithm, which can't be cracked by conventional computers, can be solved quickly with quantum computing
Hubble Space Telescope finds superflares from young red dwarfs could strip away planetary atmosphere
Younger stars are 100 to 1,000 times more energetic than when they're older
Two of the big four supermarkets will use the system to control sales of restricted products
PUBG news and updates: November's Update #23 to bring new Skorpion pistol and changes to blue zone visibility
Genuinely useful side-arm coming to PUBG in Update #23