There are books that are designed for learners. They consists of sections and chapters to help you learn the language gradually.
You can search the books by the famous writers who have good books for beginners.
ask a professional or a teacher to suggest a book for you or search the best seller English teaching book in the world.
Divide the periods that you need to learn and memorize every section to manage the learning process.

learning a language gradually means that you will need to learn the bae vocabularies, and some of those which we interact with are fruit and vegetables.
So, in learning vocabularies, memorize those you interact with mostly.

Watching programs that are in the target language (which is in this case "English"), will absolutely develop your listening, speaking and pronunciation.
there are many good programs that discuss global worming and other issues in English, and it has many videos on social media, and only listening to them will give you a great push forward in learning English.

When you try to learn English, and going through all the vocabularies and grammar rules, you need to put in your mind that English or any other language is just like your language and it is an only different way of communication.
Understanding this idea will ease learning and change the way you look at the process of learning the language.
Your mother language is only another language that is hard for others to learn.

English is everywhere around you, In the streets or when you go to the doctor, or when you invite someone to a fancy restaurant and try to explain the menu for the guest.
to improve your understand for the everyday vocabulary, turn your mobile phone to English language and force your brain to store the words meaning inside , which will improve your ability for understanding.

To learn English effectively, if you can... set a workshop in your room corner or any private place were you stick notes on its walls and organize the speaking, writing, listening, and writing notes each in its place to arrange your learning for maximum benefit.
and if you can't, use the wall next to your bed and install some shelfs for the subjects organizing , and use some colorful stickers to differentiate between them and feel better when looking at them.

When you want to learn any language (English for example) you have to start gradually, by learning few simple vocabularies to keep you on the learning track, and never start with advances vocabularies that are not used commonly by the native speakers.
Using grammar also must be done gradually by learning pronouns and possessives with the logical pattern they take , to make it easier for the brain to comprehend them and easier to use them in everyday conversation.

There are some books that are titled with " learn English in one week or one month without a teacher"
That is simply a scam and learning any average language will absolutely take more than this short period.
learning a language must be based on gradual bases, by learning simple vocabularies and grammar, listening to native speakers through movies or other programs and practice speaking and imitating the pronunciation.
Then gradually use more advanced…
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When you have a question concerning English rules
Ask an expert or a teacher to guide you
and if you needed any references or multiple meaning for a word , you better search for a well language user or researcher to ask him about it.

Another advice concerning the first steps of learning English
Memorize words with their meanings and the grammar rules will be followed automatically
pay attention to hidden rules like using has and have or do and does
memorize the very basic rules and you will be more confident while speaking in public

One of the ways of learning English language in the right way , is by listening to foreign native speakers through headphones while doing sports or relaxing in a park.
This way will make your brain store many words and teach you how to form a grammatically well arranged sentences, Without studying grammar .