Use the VirtualBox virtual machine installation Win7 under Mac system procedure:
First step to install the VBox virtual machine
1. First download VBox,:: Https://www.virtualbox.org/wiki/Downloads, click on the "virtualbox 5.0.16 for OS X hosts " page AMD64 " download link,:
After downloading, in the Finder in the download directory, locate the "virtualbox-5.0.16-105871-osx.dmg" file, run the installation:
After opening, double-click "Virtual box.pkg" in the installation screen to start the installation,
Next the system will be a security prompt, click the "Continue" button,
Then click on the "continue" button all the way to it.
After the installation is complete, you can find the Virtual box app icon in the system's Lanuchpad, click Open it,
Next, in the Virtual box interface, click on the "new" button in the upper left corner to start creating a virtual machine.
Use VirtualBox virtual machine installation win7--The first step of installing VBox virtual machine under Mac system