macOS Sierra Patcher这个补丁可以让老款的机型安装macOS Sierra 10.12.x
http://dosdude1.com/sierrapatch.html
如果电脑本身支持请不要安装本补丁, 详情可以自己对比一下
https://www.applex.net/pages/macos/
Requirements/ 要求:
-Early-2008 or newer Mac Pro, iMac, or MacBook Pro (MacPro 3,1 and 4,1, iMac 8,1 and 9,1, MacBook Pro 4,1, 5,1 5,2, 5,3, 5,4, and 5,5)
-Late-2008 or newer MacBook Air or Aluminum Unibody MacBook (MacBookAir 2,1, MacBook 5,1)
-Early-2009 or newer Mac Mini or white MacBook (Macmini 3,1, MacBook 5,2)
-Early-2008 or newer Xserve (Xserve 2,1)
Machines that ARE NOT supported/ 不支持:
- 2006-2007 Mac Pros, iMacs, MacBook Pros, and Mac Minis (MacPro 1,1 and 2,1, iMac 4,1, 5,1, 5,2, 6,1 and 7,1, MacBook Pro 1,1, 2,1, and 3,1, Macmini 1,1 and 2,1)
-- The 2007 iMac 7,1 is compatible if the CPU is upgraded to a Penryn-based Core 2 Duo, such as a T9300.
- 2006-2008 MacBooks (MacBook 1,1, 2,1 3,1 and 4,1)
- 2008 MacBook Air (MacBookAir 1,1)
使用这个补丁制作一个macOS系统u盘,然后再去安装