VMware is a program virtual machine, it can simulate another virtual machine include separate CPU, RAM and Harddisk from main machine. Actually VMware has cost for install and you have to buy to use for commercial but if we just use for personal or for education, it totally free.
Let take a look how to install VMware. At first you can download https://my.vmware.com/web/vmware/downloads select VMware Workstation Player.
Double click setup file then click Next.
Waiting for installing
Just leave it black for non commercial use.
there we go, Finnish setup.
You will see this icon on your desktop, double click it.
You have to fill your email before use.
Now you Ready to use VMware.