Yes, you can!
An unrelated degree is acceptable if the law system and its workings are well understood. You should learn how laws work together and what makes them different.
You should be able read and understand statutes, regulations, court decisions, case law, and other legal documents. Understanding the fundamental concepts of constitution, administrative, contract, property, criminal, civil procedure, evidence and torts, as well as intellectual property, employment, and bankruptcy law is essential.
If you want to practice law, you must pass the bar exam. The bar exam tests your knowledge of the law and your ability to apply the law to real-life situations. It's a test of your general knowledge of the law and of your ability to analyze cases and write briefs.
The oral and written sections of the bar exam are split into two sections. The written part consists of multiple choice questions. The oral part includes simulated trials. You must study for the bar exam for at least six months before you can take a qualifying exam.
To be able to practice law in the state you desire, you must pass the bar exam. Different jurisdictions have different admission requirements. You can check with State Bar Association for information.