(CNN) — Upgrading to the new Windows 8 operating system is not nearly as complicated as it looks, despite Microsoft’s sometimes muddled marketing.
Getting used to using it is a different story.
At midnight Thursday, Microsoft’s newest operating system is finally on sale. With more than a billion users, Microsoft’s Windows is the dominant PC platform in the world. This launch is a big moment for the company, which is trying to keep those users from leaving for more mobile friendly competitors.