The quickest way to temporarily convert your Windows PC into a Linux system is to use a Live CD. This involves burning an downloadable image file to a CD, inserting the disc into your computer, and rebooting. If you dont have software for burning bootable images to disc, grab a copy of the free and fast ISOBurner software. The easiest way to get Puppy Linux, an extremely lightweight and fast version of Linux, is to download a Puppy ISO file from this link.”]
Source: https://krebsonsecurity.com/2012/07/banking-on-a-live-cd/