There's really no point doing that. May I suggest that you consider downloading Ubuntu Desktop https://www.ubuntu.com/#download and trying it out live from a USB device or DVD without changing your PC's Operating System. https://tutorials.ubuntu.com/tutorial/try-ubuntu-before-you-install#0 . I've been delighted in using Ubuntu as the Operating System on all my PCs since 2008. Very soon I hope to install Ubuntu Touch on my devices currently running the Android Operating System.