This is not directly related to Microsoft Dynamics NAV. However if you are working with different versions of Microsoft Dynamics NAV in one single time, Virtual machines is the best solution you can have.
With Microsoft Windows you will get Hyper-V, which allows you to host your own virtual machines.
This guide provide steps on how to activate Hyper-V.
01. Start -> Control Panel
02. Click on Uninstall a program
Then it will open the Programs and Features window.
From that click on the option of Turn Windows features on or off.
Once you click Turn Windows features on or off link it will open following window.
Find the option for Hyper-V, check the checkbox and click OK.
That is it!
You are ready to go! To test this type Hyper-V Manager at the Start Menu
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