How To Take Ghusl?
First, the intention (Niyyah) to make ghusl is done (for the removal of the state or major impurity).

Then, one washest the front and rear of the genital area, even though it may be clean. 

Next say Bismillah and take a complete wudhu as for prayer (minor ritual ablution for salah); but if water can collect in a pool at the feet, than the feet are washed at the end of the major ritual ablution.

Plenty of water is taken into the mouth and nostrils, so that the obligatory washing of the interiors of the mouth and the nose is fullfilled.

Water is pouredthree times over the head first, with the head being rubbed each time. During this period water must reach the base of the beard, moustache and hair.

Water is poured three times over the right shouldert and the body is rubbed each time.Then, water is poured three times over the left shoulder and the body is rubbed each  time.

The whole body is rubbed in such manner that there remains no dry spo including the navel.