Below are steps you can take to update your operating system:

1. Check the version of your current operating system.
2. Visit the website of your operating system to download any available updates.
3. If you are an advanced user, you can try manual methods on the command line.
4. If available, you can update your system through a package manager.
5. Run your system’s built-in update utility.
6. Make sure to read and understand the release notes and backup your data before performing the update.