1. Go to the official website of Linux mint.
2. Download the ISO file of Linux mint (the latest version is Cinnamon as of November 2017).
3. Prepare a DVD-R.
4. Download and install ImgBurn use it to burn the ISO of Linux mint to the DVD-R. This burnt DVD-R is called a live CD.
5. Wait until burning the ISO is finished. When it is finished, you hear weird music.
6. Make sure your PC is connected with LAN cable and is connected to the power supply.
Restart your PC and, before Windows logo is shown, press F2 many times to go to BIOS setup. (Depending on the manufacturer of your PC, the key to go to BIOS setup might be different. If pressing F2 doesn't work, please check what key you need to press.)
Restart your PC and, before Windows logo is shown, press F2 many times to go to BIOS setup. (Depending on the manufacturer of your PC, the key to go to BIOS setup might be different. If pressing F2 doesn't work, please check what key you need to press.)
7. Go to the "Boot" section. Press F5/F6 to change the priority. Make the "CD-ROM drive" highest.
9. After installing Linux mint, change the priority on the BIOS setup and make "Hard drive" highest.
And it's done! :)