Also known as a Yubikey, this small USB key will make you look cool, but not actually secure. Just don't lose it, or you're doomed.
Don't have a Yubikey? Fallback to a password.
Now, let's move on to step 2...
Don't use a password that's too similar to your cat's name or your favorite pizza topping. Use a password generator, like this one: Password Generator
Manage Your Passwords like a Pro
Step 3: Set up 2FA on your email, because you'll probably forget your password.
Now, let's review the whole process, shall we?
Or, if you're feeling extra secure, you can just Go Full on 2FA without any of that pesky hardware.