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This is the only comprehensive, Apple-authorized guide to supporting, optimizing, and troubleshooting macOS Sierra (10.12), the most powerful version of Apple's Mac operating system. It's also the official curriculum for Apple's Sierra 101: OS X Support Essentials 10.12 course, and official preparation for Apple Certified Support Professional (ACSP) 10.12 certification.
macOS Support Essentials 10.12 is an indispensable resource for support technicians, help desk specialists, computer lab managers, other IT professionals, and passionate Mac power users everywhere, It takes you deep inside macOS Sierra, offering in-depth, step-by-step guidance on everything from installing and configuring Sierra to managing networks and system administration.
Through practical, hands-on lessons, you'll learn how to set up users, configure system preferences, manage security and permissions, use diagnostic and repair tools, troubleshoot peripheral devices, and more: all you need to professionally support macOS Sierra and systematically prepare for ACSP certification or recertification.