Expectations are growing ahead of Microsoft's briefing this week at which it will disclose more details on the upcoming Windows 10. The operating system is set to be a crucial release for the software firm.
Microsoft issued invitations last month to a briefing on 21 January, setting the theme with the snappy title Windows 10: the next chapter.
However, the company is keeping its cards close to its chest, and has given few other clues as to what will be revealed on the day.
Speculation has been gathering that Microsoft will use the event to focus on the mobile part of the Windows 10 wave that is set to target entry-level tablet devices running ARM and Intel chips, as well as Windows Phones.
This was fuelled by the appearance on the Windows Phone store of an app called Phone Insider earlier this month, aimed at testers and reportedly preparing the way for downloads of pre-release Windows 10 versions.
Mary Jo Foley's All About Microsoft blog said that the firm is also likely to deliver an updated version of the Technical Preview of Windows 10, following the earlier releases in September and November.
If Microsoft does focus on mobile this week, it will be in line with the firm's stated goal of delivering a "one Windows" vision.
Despite the name, this does not mean a single operating system across all devices, nor even a single user interface, but instead a universal app platform for developers to create software that will run across all Windows platforms.
Whatever Microsoft reveals on Wednesday, it will need to keep users and developers on side if the firm is not to see Windows sidelined by other platforms.
The Windows 10 Technical Preview has so far garnered favourable responses, with its reintroduction of the Start menu and a greater focus on the desktop experience.
This has led many to predict that Windows 10 will be a success in Microsoft's traditional PC market segment.
"Forrester believes Windows 10 will become the new enterprise standard, the successor to Windows 7, a status that Windows 8 was unable to attain," Forrester principal analyst Frank Gillett said in a statement.
"Windows 10 will enable Microsoft to retain its leading position in PC computing, especially in the enterprise, where the PC remains a critical work tool."
However, doubts remain over whether Microsoft can pull off anything like the same success on the mobile side.
"[Windows 10] will give developers the unprecedented ability to develop apps that work on PCs, tablets and smartphones with a single application development effort," Gillett said.
"But it does not show enough potential for a differentiated mobile experience that will draw developers and consumers alike away from iOS and Android."
Stay tuned to V3 throughout the week for news from the Microsoft announcement on Wednesday evening.