Microsoft's new Windows 10 build brings browser improvements, UI polish and more

The story has been corrected on the wire and the first and second paragraphs now read as follows:

Microsoft is hurtling towards the release of Windows 10, delivering a new build to early testers that provides more clues as to what the OS will look like when it ships at the end of next month.

Windows 10 build 10158 was pushed out on Monday to the earliest adopters in the Windows Insider Program, giving them the opportunity to download and install the latest reasonably stable version of the operating system.