HOW TO CLEAN AND ORGANIZE YOUR BEDROOM
first get storage boxes(any size)
Put away all extra stuff that you don't usual use.
Then look for stuff you rarely use and donate it to some place
What I do is ask myself
1. When was the last time I used it
2. Does it really have any value to me
3. Does it have to do with one of my hobbies ( for example I like to make music and movies. If it has to do with any of those two things I am for sure not going to give it away.
After these few steps your room should be very open and organized