Tip - Three steps to find a missing 401(k) ($ ?s)

Q: I've left a few jobs where I had signed up for a 401(k) and never knew until now that I needed to cash them out or transfer them. So here I am years later, and I cannot locate any information that I ever had one. How do I find my money? They took it out of my checks! Sincerely, Lost My 401(k)