One of the main reasons people don't workout is because of their "lack of time".
The first question you want to be real with yourself on is if you do or don't honestly have time. Everyone has the same 24 hours in a day, but it's about how you prioritize and schedule your time that makes a difference. It is easy to get caught up with habits and distractions that isn't beneficial to you at all.
The first step you want to take is just acknowledging your current schedule. Monitor your activities for 1-2 weeks and look for any time gaps you may have. This step is mainly to pay attention to where your time is going. Differentiate between what is a priority and what is something that you might be able to eliminate from your schedule or minimize your time on.
Just getting started out, find exercises you can do around your home/work schedule. Maybe that could be going on a walk around your neighborhood, climbing stairs, or maybe doing your workout while watching your favorite tv show or movie!
Lastly, it might help you plan out a set schedule and routine for yourself. You want to wake up each morning ready to take on the day, not wasting time figuring out the order of what you need to do for the day.
Overall, this is your personal fitness journey. Some people find it best to start their day or end their day with a workout, while others may do a daily workout at the convenience of their home. You may not have all the time in the world to exercise, but small steps forward is still progress. Giving those 30 minutes each day to workout is the stepping stone of your journey!