Operating system help
Updated: 06/01/2025 by Computer Hope
Operating system basics
- What is an operating system?
- How to find what operating system is on a computer.
- Full list of operating system terms.
General operating system questions
- How to fix the missing operating system error.
- What is the most popular operating system?
- Linux vs. Windows.
- Command line vs. GUI.
- Can I upgrade my OS from 32-bit to 64-bit?
- How to set up dual-booting.
- How to fix IOS errors.