If you're reading this on a PC running Windows, it's almost certainly a 64-bit version of the operating system. It also supports 32-bit applications, which is why so many old games will run on it, but ...

New versions of both Mozilla's browser and its subsidiary MZLA's messaging client are here – with some bad news for users of older kit.… Firefox 144 arrived yesterday, closely followed by its cousin, ...

Mozilla has rolled out Firefox 145, a significant update that brings a range of usability, security and privacy enhancements, while marking a clear turning point by discontinuing official support for ...