The installation you’re about to do will give you full control to completely erase your hard drive, or be very specific about partitions and where to put Ubuntu.

Does Ubuntu do a clean install?

Yes, and for that you’ll need to make an Ubuntu installation CD/USB (also known as Live CD/USB), and boot from it. When the desktop loads, click the Install button, and follow along, then, at stage 4 (see the guide), select “Erase disk and install Ubuntu”. That should take care of wiping the disk out completely.

Does installing Linux delete everything?

Short answer, yes linux will delete all the files on your hard drive so No it will not put them into a windows. back or similar file. … basically,you need a clean partition to install linux(this goes for every OS).