Download the latest version of Ubuntu from www.ubuntu.com and burn it on a DVD or a CD. Then Boot with the CD
There is almost nothing to do with Command Line. There are Numerous GUI applications for all the needed functions.
No need of searhing anywhere. Just to open the application Software Center. Thousands of advanced applications freely available. One click to install.
Ubuntu is the world's most popular free Operating System. Fast, free and incredibly easy to use, the Ubuntu operating system powers millions of desktop PCs, laptops and servers around the world. No burdens of Viruses !