Windows.com is a comprehensive website concerning all products and services offered by Microsoft Corporation. Through the main portal, viewers can access recent television advertisements, press releases, and product information concerning a wide array of products, including the Vista operating system, Windows Live, Windows Mobile, Microsoft Office and Internet Explorer. Viewers also have the ability to purchase any of these products through a strategic partnership with various vendors and manufacturers that feature Microsoft products.

Although primarily a marketing website, the main website also contains many useful links and services for product support and developer assistance. Users can find a variety of trial downloads, software updates and patches through the download link. Microsoft also includes a help center, with guides and FAQs for consumer products and services. The main portal contains a number of links at the bottom of the page pertaining to product, area of interest or professional help. Of particular note are the links to TechNet (a Microsoft website dedicated to assisting IT professionals with Microsoft business products and services), MSDN (a website dedicated to assisting programmers and developers utilizing Microsoft programming languages) and Microsoft’s website for corporate products and services.