1. Dell: This American multinational computer technology company is headquartered in Texas and is known for its laptops, desktops, and other computer peripherals. 

2. HP (Hewlett-Packard): HP is a multinational information technology company that offers a wide range of computer products, including laptops, desktops, and printers. 

3. Lenovo: Lenovo is a Chinese multinational computer technology company that produces laptops, desktops, and other computer hardware. 

4. Asus: Asus is a Taiwanese multinational computer hardware and electronics company that produces laptops, desktops, and other computer components. 

5. Acer: Acer is a Taiwanese multinational computer hardware and electronics company that specializes in laptops, desktops, and other computer peripherals. 

6. Apple: Apple is an American multinational technology company that is best known for its iPhone and Mac computers. 

7. Microsoft: Microsoft is an American multinational technology company that produces the Windows operating system and other computer software. 

8. Samsung: Samsung is a South Korean multinational electronics company that produces a wide range of computer hardware, including laptops and desktops. 

9. LG: LG is a South Korean multinational electronics company that produces a wide range of computer hardware, including laptops and desktops. 

10. MSI: MSI is a Taiwanese multinational information technology company that specializes in computer hardware, including laptops and desktops. 

These are the top 10 computer brands in the world based on their popularity and market share. Each brand has its unique offerings and strengths, making it important to choose the right brand that fits your specific needs and requirements. Whether you're a student, a professional, or a gamer, there is a computer brand that can meet your needs.