1. Download Oracle Virtualbox
When you get to the Virtualbox website click on the "Downloads" link.
Finally, once you get to the downloads page click on the link for the Windows hosts. (x86/amd64).
Before we start the actual installation we will kick off step 2 as it will take a while.
2. Download Linux Mint
3. Install Oracle Virtualbox
You will now be shown a warning stating that your network connection will be dropped and reconnected.
Click "Yes" to continue.
Simply click "Install" and let it do its stuff.