What do you need to enter in forex market?

First of all, you need computer :).
After suppling with computer, next step is to choose internet provider with nice speed.
And choose broker, there are many brokers, with different terms of trading.
If I can adviese you pick broker with MetaTrader 4 platform, this is the best platform in my oppinion. Go to Google and search for forex brokers :), if you still wondering, I'll be pleased to help you. You can add comment or write me to my e-mail.