Microsoft has released a new build (9926) of its latest operating system Windows 10 for users to download. This build contains many new exciting features like Cortana, new start menu, continuum, new settings, photos and maps apps etc.
If you are using an earlier build of Windows 10, you can upgrade from PC settings or it'll automatically get installed from Windows Update soon. If you haven't downloaded it yet, you can download from the link given below.
Here's the step-by-step instructions to install it: How To Install Windows 10