When the time comes to flash a custom ROM, enthusiasts need a custom recovery they can trust, and the Team Win Recovery Project (TWRP for short) is one such option. Now tinkerers who have just picked up Samsung's latest flagship can head over to the TWRP Galaxy S5 page and get their hands on a version of their favorite custom recovery geared for their new device.
The necessary files are all available on the page, such as an .img file you can flash using the dd command or a .tar file that you can flash using Odin instead.
As always, take your time with this process, and proceed at your own risk. We cannot be held accountable for any kittens that may be harmed by your actions as a result of anything that goes wrong. Links are available below.