macOS High Sierra 10.13.6 (17G65) - Final Version - Apple News | InsanelyMac
Apple Releases macOS High Sierra 10.13.6 Supplemental Update 2 for MacBook Pro (2018) - The Mac Observer
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Restored Apple MacBook Pro Laptop, 13.3", Intel Core i5-3210M, 8GB RAM, 500GB HD, DVD-RW, Mac OS X 10.13.6 High Sierra, Silver, MD102LL/A (Refurbished) - Walmart.com
MacBook Pro High Sierra 10.13.6, Computers & Tech, Laptops & Notebooks on Carousell
Mac blank screen, colored screen and black blocks [October 2021] [1.18.0] [SOLVED] - Known Issues - Zwift Forums