On October 17, 2017, Microsoft released the Windows 10 Fall Creators Update. The video below from Microsoft gives an overview of the new features that are included in this update to the Operating System.
Some of the new features include, Mixed reality support (i.e. blending the virtual and real world together using a headset like a HoloLens), updates to the photo app to create movies from your photographs. The update also includes several enhancements to Cortana and Microsoft Edge.
The operating system includes new security features to make your system more secure, such as the Windows Defender Security Center. Which includes new features Windows Defender Exploit Guard. That helps protect files from unauthorized changes by malware (and ransomware).
Another new feature is the Continue on PC. When you visit websites, do searches, or read articles online that are on your iPhone or Android smartphone. They can be forward to your PC where they can be instantly opened.
The video is a Microsoft promotion for their products, but it includes a lot of useful information about the new Windows OS update. It also includes examples of the available mixed reality hardware and an overview of the new Surface Book computer.