The clock is ticking for those that want to play around with the Windows 7 beta.
Microsoft issued a late reminder on Monday that people had only until midnight Pacific time to start downloading the operating system.
Those who started their download in time.
Although the beta version will cease being available to the general public, members of Microsoft's MSDN and TechNet developer programs will continue to have access to the code.
Microsoft CEO Steve Ballmer announced the Windows 7 Beta at the Consumer Electronics Show in January. After a, Microsoft on January 10.
The software maker has said the next test version of Windows 7 will be a near-final "release candidate" version, although it has not said when to expect that to arrive. Officially Microsoft has said that the final version of Windows 7 will, although the company has been in time to be on PCs that ship for this year's holiday-shopping season.