To become a licensed therapist in Oklahoma, you will typically need to follow these steps:

1. Earn a Bachelor's degree: You will need to earn a Bachelor's degree in a related field, such as psychology or social work.

2. Earn a Master's degree: You will need to earn a Master's degree in counseling, psychology, or a related field from an accredited university or college.

3. Complete supervised clinical experience: You will need to complete a certain number of supervised clinical hours, typically around 3,000 hours, as part of your degree program or after graduation.

4. Pass the National Counselor Examination: You will need to pass the National Counselor Examination (NCE) or a similar exam to demonstrate your knowledge and competency in the field.

5. Apply for licensure: You will need to apply for licensure from the Oklahoma State Board of Behavioral Health, which includes submitting transcripts, completing a criminal background check, and paying the necessary fees.

6. Maintain your license: You will need to renew your license every two years and complete continuing education requirements to stay up-to-date on new research and techniques in the field.

It's important to note that the specific requirements for becoming a licensed therapist in Oklahoma may vary depending on the type of therapy you wish to practice, such as marriage and family therapy or clinical social work. You should check with the Oklahoma State Board of Behavioral Health for more information on the specific requirements for your chosen field of therapy.