Hi, Dude have many common ways to install and run Ubuntu. we can install it as single boot, multiple boot(with other OSs),using virtual PC creating Software like VMWare, using Live CD/DVD or via Wubi Windows Boot Manager.
Now I talk about download ISO file and how can It Install. First you can go your browser address bar, Type http://www.ubuntu.com/getubuntu/download web address. then select your processor type (32 bit or 64 bit). After that click start download, a pop-up window runs and ask in you save or run the file. After downloading your ISO File, can burn using iso burning utility. If you don’t know to burn a Disk via ROM. fallow these, first place correct way to insert a blank Disk, Most ISO burner utility identify your blank disk and load that program. Then you can load the iso image file into a program. After that burn/write a Disk. In few time ago your disk full of the ubuntu and automatically ejecting. So its easy..!.
We can restart the Computer and boot through CD, before you must assign 1st boot device is CD/DVD. Then It loading files and copied to hard Disk.
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