How do I pray the Rosary?

i want to know how a Rosary is used during prayer and if it serves any other purpose.

i want to know how a Rosary is used during prayer

See these links:
How to Recite the Holy Rosary
What constitutes a complete rosary?
Must the Rosary be blessed in order to use it?
Rosary with different prayers

and if it serves any other purpose

See these links:
Can you wear a rosary as a necklace?
May I hang rosary beads on my rear-view mirror?
Are rosaries only for Catholics?

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