i want to become a hardware?which subject i want to take

Hardware engineers design and analyze computer systems and equipment. Most complete a bachelor's program in computer engineering before entering the field. Additionally, they may pursue licensing or an internship to demonstrate or hone expertise. A bachelor's degree program in hardware engineering covers several topics, including math, computer architecture and design, operating systems, and communications. Students also take general education classes like history, language, or the humanities. Engineering courses often require cumulative knowledge from your studies; you will need skills from all of your classes to complete the program. Hardware engineers design and analyze computer systems and equipment
You can go for following engineering fields like Electricals, Electronics, Mechanical etc