Windows 10 beta testing resumes after briefest break yet

Microsoft last week restarted deliveries of Windows 10 to beta testers, weeks sooner than it has resumed previews in the past.Windows 10 build 16170 was released Friday to the Insider program's "Fast" track, one of three that testers can select. It was the first for the operating system's next feature upgrade, which Microsoft has promised will debut in 2017 but has not scheduled.[ Further reading: Support family and friends with Windows 10’s new Quick Assist app ]The appearance of build 16