We're less than a month away from the much heralded release of Windows 10. With the update available for free to anybody who already has Windows 7 or 8 the new OS is set to become a huge part of the PC world overnight. Well, maybe not quite overnight.

As it turns out, while the release for Windows 10 is set for July 29th, not everybody will be able to upgrade their systems on that date. Microsoft explains in a blog post that the July 29th date is actually the beginning of a rollout of the new operating system. Members of the Windows Insider program, who have been testing Windows 10 and already have a version of it on their computers, will get access to the final release first. After that, customers who have made a reservation online will begin to get access. If you haven't already done that, you can do so here. Microsoft has not stated how long they expect this rollout to take, or how many people will have access to the update at any one time.

On the plus side, once you are given access to the update your computer will begin to download Windows 10 automatically and it will inform you once the download is complete and your computer is ready to begin the installation. This way customers won't have to wait any longer than necessary.

While this will frustrate some people who were looking forward to jumping in on day one, it will prevent Microsoft's systems from being overloaded with requests they likely would not have been able to handle all at once anyway. People not being able to download Windows 10 due to server crashes would have been equally, if not more, upset.