How to turn on Show hidden files and folders & hidden filename extensions in Windows

To turn on hidden filename extensions in different versions of Windows, follow these steps:

Windows Xp / 7:

1. Click on the "Start" button and select "Control Panel."
2. In the Control Panel, click on "Appearance and Personalization."
3. Under the "Folder Options" category, click on "Show hidden files and folders."
4. In the "Advanced settings" section, uncheck the box that says "Hide extensions for known file types."
5. Click "Apply" and then "OK" to save the changes.

Windows 8 and 10:

1. Open any folder on your computer.
2. Click on the "View" tab at the top of the window.
3. In the "Show/hide" section, check the box that says "File name extensions."
4. The filename extensions will now be visible in all folders.

Windows 11:

1. Open any folder on your computer.
2. Click on the "View" tab at the top of the window.
3. In the "Show/hide" section, click on the "Options" button.
4. In the "Folder Options" dialog box, click on the "View" tab.
5. Uncheck the box that says "Hide extensions for known file types."
6. Click "Apply" and then "OK" to save the changes.

By following these steps, you should be able to turn on hidden filename extensions in Windows 7, 8, 10, or 11, depending on the version you are using.