cant run high sierra

Here’s how to do it:

Requirements:

• Early-2008 or newer Mac Pro, iMac, or MacBook Pro:

• MacPro3,1

• MacPro4,1

• iMac8,1

• iMac9,1

• iMac10,x

• iMac11,x (systems with AMD Radeon HD 5xxx and 6xxx series GPUs will be almost unusable when running Mojave. More details are located in the Known Issues section below.)

• iMac12,x (systems with AMD Radeon HD 5xxx and 6xxx series GPUs will be almost unusable when running Mojave. More details are located in the Known Issues section below.)

• MacBookPro4,1

• MacBookPro5,x

• MacBookPro6,x

• MacBookPro7,1

• MacBookPro8,x

如何在不支持升级macOS Mojave的Mac上安装该系统