Open up a blogspot account and just write. When you have time, write about your day, what makes you happy, and share your learning lessons with others. People want to read about other people's experiences.
Think about what you can do to help out people. Is there an experience or a skill you can offer another? Every person is capable of becoming a better writing through practice and experience.
When you have a moment, open up a blog account and then write about whatever you think is interesting. There are millions of people that enjoy reading blogs. Any person can improve their writing skills. The saying that practice makes perfect is right on target.
Write about your dreams, daily experiences, past experiences, college, work, school, jokes, and whatever else comes to mind. The most important part of writing is to have fun.