# Explore System Settings
**System Settings** is a central place where you can configure and customize various aspects of your system. It is an essential tool for managing elementary OS because it affects the performance, security, and overall usability.
System Settings Main Window
In sum and substance, **System Settings** provide a user-friendly and intuitive way to manage and configure elementary OS, customize it to your liking, and make it work more efficiently.
## Entering System Settings
To open System Settings:
* In the [Panel](https://da-home-studio.gitbook.io/elementary-os-user-handbook/overview/desktop-tour/panel), click **Applications**, and select **System Settings** from the menu.
* In the [Dock](https://da-home-studio.gitbook.io/elementary-os-user-handbook/overview/desktop-tour/dock), click the System Settings icon if it's added to the Dock beforehand.
* Secondary-click anywhere on the desktop, and select **System Settings** in the pop-up.
Below, there are a few direct links you can follow to learn more about some options and parameters in the System Settings.
