Hairstyles are of different kinds. Depending upon the type of hair and its length a hairstyle can be made. Also on what you require to make and what is the need of the hour. Its simple to make a top knot bun. Make a high ponytail and pull your hair in such a way that it can be made. After that you may divide your hair into two sections. Wind each part around the other part so that it forms into a bun style. Twist the ponytail in such a way that the hair is winded around it and a bun is formed.
You can then wrap the hair around the ponytail holder. Secure the bun with hair pins and bobby pins. Add hairspray to your hair to hold the texture and maintain its volume. There are different ways of making this hairsyle with differnt methods. You can pick and choose the one of your choice. A tutorial for the same will give you detailed description about all the information that is required to make this style of hair. Depending upon your outfit you can create a style of your choice and consult a good tutorial for the same.