If you’re lucky enough to have a retirement account through your employer, starting to save and invest in your 401(k)—or 403(b) for some workers—may be easier than you think. What is a 401(k), anyway? A 401(k) is a retirement savings plan offered by employers that gives you some tax benefits as an incentive to save for the future.
https://www.fidelity.com/viewpoints/financial-basics/guide-to-401k

