You can follow everything here and then restart at the end or you can restart after each change to see the effects! Editing the bash profile
Note: You will need to restart your terminal to see the changes you make. In this post I'm going to cover how you can replicate my terminal changes and it will be step-by-step for those that only want specific changes! I add some colour, remove the icky bold fonting on the file path and rearrange the prompt to be a little nicer. The first thing I do when I get a new workstation is setup my terminal so that I don't need to squint into the void trying to read things.