You can learn how to type and play typing games at this website. Remember to put both hands on the keyboard. Do the exercises and learn to type!
You can practise your writing with the help of this website. After registering with your email address, you can choose to write from a topic it provided, or you can choose 'other topics' and paste a piece of writing you've already done to this website. The programme will tell you how good your writing is and give you suggestions on how you can improve the writing.
http://learnenglishteens.britishcouncil.org/skills/writing-skills-practice
Learn to write different kinds of texts on various topics. Choose the level (A1, 2, B1, etc.) that suits you best.
This is a free grammar and spelling checker. You can add it to Chrome to use with Google Docs or download the free app for Microsoft Officer so that you can use it to help you when you're using MS Word or PowerPoint.
Watch this video to learn how Grammarly works.