1. Don’t be afraid to make mistakes. You can learn from them.
2. Practise the 4 core skills; writing, reading, speaking, and listening
3. Keep a notebook or cue cards of new words you learn, and use them in sentences so you become familiar.
4. Finding help is always useful if you don’t understand something. Consult in a professor, tutor, friend, or family member.
5. Create an atmosphere in which you want to learn, not because you have to. Make sure your surroundings are quiet.
I hope these are helpful! And wish you the best :)