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High Sierra and Parallels Desktop 13 | Parallels Blog
PSA: macOS Sierra drops support for many Macs from 2007, 2008, and 2009 | Ars Technica
Amazon.com: Apple 15in Macbook Pro with Touch Bar Retina Display, Intel Core i7-6700HQ 2.6GHz, 16GB DDR3-2133, 512GB PCIe SSD, Radeon Pro 450 2GB Mac OS 10.12 Sierra - Silver (Renewed) : Electronics
macOS High Sierra now available as a free update - Apple
Apple Macbook Pro 13" Laptop | 8GB RAM + 256GB SSD | OS High Sierra | WARRANTY | eBay
MacOS Sierra: top five things you need to know about Apple's new Mac software | Apple | The Guardian
macOS High Sierra now available as a free update - Apple
macOS Sierra on the Mac App Store
macOS High Sierra now available as a free update - Apple
How to downgrade to macOS Sierra from High Sierra - YouTube
Apple MacBook Pro Laptop, 13.3\" Retina Display, Intel Core i5, 256GB SSD, Mac OS Sierra, MPXT2B/A. Pre-Owned: Like New - Walmart.com
macOS High Sierra now available as a free update - Apple
macOS Sierra now available as a free update - Apple
MacOS Sierra review: Six big ways it's going to change your Apple experience - CNET
100+ new features in macOS High Sierra
macOS Sierra Download Released, Get it Now | OSXDaily
macOS Sierra
macOS Sierra review: the Mac is now a mature platform | TechCrunch