1. Read
Trust me, Reading books is like having the best advice from mentors throughout history on demand.
2. Listen to podcasts
Fill in the gaps of your life with educational audio. Podcasts are like gaining personal advices.
3. Take new courses
A quality course brings all the info together and saves you time. You will learn many tips from experienced ones.
4. Practice old passions
Take a break or revisit your old hobbies that you enjoy but don't normally do.
5. Get feedbacks and critiques
Skip the compliments and seek feedbacks from trusted people and try to improve the negativities.
6. Work towards a goal
Commit to daily practice. Do one small thing everyday that gets you one step closer to your goal.
7. Be open to change
Remember, change is the only constant. To improve yourself, you must change. If you aren't willing to change, it's hard to move forward.