Microsoft is on the verge of signing off the final version of its Windows 8 Consumer Preview. That is the word from a number of sources who tell us that the company has stopped compiling beta builds of Windows 8. The final build will be signed off officially on Friday and is expected to be numbered 8250.

Microsoft will unveil its Windows 8 Consumer Preview work during a special event at Mobile World Congress (MWC) in Barcelona next Wednesday. We are told that the company will release the preview to the public at the beginning of the event, which kicks off at 3PM CET (9AM ET). Build 8250 includes a number of preinstalled games and applications, as well as the new Windows 8 logo. Microsoft has also removed the traditional Start button orb in build 8250, replacing it with the new logo on the charms bar. We will be reporting live from Microsoft's MWC event, so stay tuned for the full details on Windows 8 Consumer Preview.