Set specific, achievable goals for yourself.
Use spaced repetition to optimize memorization.
Use mnemonics or other memory aids to make vocabulary stick.
Immerse yourself in the language by pstening to podcasts, watching movies, and reading books.
Practice regularly and consistently, both alone and with others.
Use flashcards or other review tools to regularly quiz yourself.
Try to think in Engpsh, instead of just translating from your native language.
Focus on commonly used words and phrases first.
Get a language exchange partner to practice speaking with.
Stay motivated by celebrating your progress and setting rewards for yourself.