STEP 1: Download macOS High Sierra The full operating system is a free download for anyone who has purchased Mac OS X Snow Leopard, Lion, or Mountain Lion or has a Mac preloaded with OS X Mavericks, Yosemite, El Capitan, or macOS Sierra.
So i accepted and it began, Then it said that a system extension was blocked. Hi everyone, So like a week ago I got a notification to update bluestacks (macOS High Sierra) to the next version.
