macOS 10.13 High Sierra is now available from the Mac App Store. Anyone who has purchased Mac OS X 10.6 Snow Leopard, OS X 10.7 Lion, OS X 10.8 Mountain Lion, or has OS X 10.9 Mavericks, OS X 10.10 Yosemite, OS X 10.11 El Capitan, or macOS 10.12 Sierra installed will be able to upgrade for no cost. Download macOS High Sierra from the Mac App Store What we know about 10.13.0 so far: macOS Build 17A365 17.0.0 Darwin Kernel Native NVMe drive support Updated Intel, NVIDIA, and AMD graphics drivers NVIDIA Alternate Graphics Drivers have been updated for 10.13.0. Intel 5xx/6xx graphics users: Lilu.kext and IntelGraphicsFixup.kext have been updated to 1.1.7. Install these with KextBeast before updating. Intel 6xx graphics users: Add boot flag -disablegfxfirmware to config.plist under Boot/Arguments. Added support for some AMD graphics cards. This update will replace your audio drivers. To enable audio in High Sierra please see toleda's post here. Updated apfs.efi for 10.13.0 Testing is now underway- this post will be updated. Good luck, and let us know how it goes! Report your results here.