If you are a modern professional, there are many ways you can stay ahead of the curve. For one simple plan, you might look into a community college or place to do some online training in business or some related area. There are surely many computer courses and other good ideas for you to consider while you are trying to improve you hire-ability or earning potential.
One good bit of advice, is to keep things simple. You don’t want to bite off more than you can chew, so starting slowly and moving forward with precision is suggested. This will help you, and those around you to better keep hold of their sanity!
If you start with a small course load, taken either at night and on weekends or perhaps even online whenever you can fit it into your schedule, you can likely find an easy way to carve out decisive steps forward. One class will have a tendency to naturally lead into others, so hopefully, you are bitten by the learning bug and embrace each new opportunity. If you look on your learning experiences in a more dour light, and start to dread them, you will find it harder to stay motivated and be successful.
The good news for you though, is there are no rules, and things can be as easy as you want them to be these days. People often take years to slowly chip away at improving themselves educationally. There is no shame in balancing life and mental growth at a pace that is purely your own.