Go to,
https://sourceforge.net/projects/metasploitable/
Click on the green download button. Size is about 850MB
Or from the creator website,
https://information.rapid7.com/metasploitable-download.html
But you may have to fill out a form, to get the download link.
About metasploitable 2 – Its a Linux based computer OS – intentionally made to conduct vulnerability or penetration test, for those whom like to test their hacking skills.
For installation to your VMware virtual machine will be discussed in a later post.