I need deliverance and the Holy Spirit in my life?

what do i gotta do to receive the holy spirit and cleanse me from all this evil that is trying to take control over me. I really need the deliverance from the Lord.Also is speaking in tongues a gift i can ask for or not
Update: Yes I'm saved but ever since i given my lie to Christ is seem as if the devil does not want me to live peacefully it stressing me out and i need help.
Update 2: Yes i'am saved but ever since i given my lie to christ is seem as if the devil does not want me to live peacefully it stressing me out and i need help
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