It's time to open your dusty Mac App Store, because a major system update has arrived. The version codenamed macOS High Sierra is designed to make the Mac more responsive and reliable. For VR practitioners, macOS High Sierra allows developers to use the Mac for the first time to create a VR experience. The new iMac with Retina 5K display and the new iMac Pro that will be available at the end of 2017 can use SteamVR and htc vive directly, while any Mac that can use macOS High Sierra can purchase VR via Thunderbolt external graphics card Graphics capabilities. In addition, Epic Unreal 4 and Unity also support Mac. On the other hand, Apple's graphics API Metal also ushered in the second version, the graphics hardware acceleration interface for the software to give machine learning, virtual reality and external graphics processor support and other functions. In addition, Apple also brings the Apple File System (APFS) to all-flash Macs, which, in addition to freeing up your storage space, is also safer and more responsive. Other important updates include more powerful native apps such as notes and photos.