This is going to be a series of 'linked' blogs aimed at helping folks to get going on using Linux in VirtualBox.
Here is some material you might consider reading before getting into the process:
What is going to happen here, is you will install VirtualBox for a Windows Host, and the VirtualBox Extention pack on your Windows PC. Just download the appropriate installers, and install them to the default loactions on your hard disk. If you have any qustions about any part of this, at any time, simply ask them in the comments, and they WILL be addressed.
Once this you have these two binaries installed, you will need to decide which distribution of Linux you want to run as a VirtualMachine on your Windows PC. Also you need to decide on which desktop environment you want to use. After deciding what distribution and desktop enviroment you want learn/use, download the .iso to your desktop.
So up to this pointyou should have:
This is probaly a good place to end this segment. In the next, I'll be helping you prepare your Linux distribution for loading into VirtualBox. Remember to ask whatever questions you have in the comments, so you can be up to speed for the next segment.