A system registry is a database with the information about the settings and configurations of your computer and the operating system (Windows).

The registry contains the following information which is used by Windows:

• User account information
• information about installed applications and file types
• Properties of folders and applications
• Software configurations
• Information about open ports

The registry has a tree structure: it has keys, subkeys and values. Find more information at the Microsoft support site

Only edit the system registry if requested by a support engineer. Carefully follow the steps provided when editing. Incorrect changes to the system registry may cause malfunction of your operating system.

Recommendations on editing the system registry:

• Before editing a system registry, create a backup copy of the existing version.
• Do not replace the current registry with a registry or parts of the registry from another operating system.

To open the system registry and change a value:

1. Simultaneously press Win and R keys on your keyboard.
2. Type regedit and click OK.

3. Open the subkey and double-click it.
4. Enter the new value provided by the support engineer.
5. Close the registry editor.
6. Restart your PC.

The changes will be applied.