If you're looking to uninstall the Windows 3D Viewer from your computer, it can be done in just a few simple steps. Here's a guide on how to do it:

1. Open the Start menu and type 'Control Panel' in the search bar.

2. Click on 'Control Panel' to open it.

3. In the Control Panel, navigate to 'Programs' and then click on 'Uninstall a program'.

4. Look for 'Windows 3D Viewer' in the list of installed programs and click on it.

5. Once selected, click the 'Uninstall' button at the top of the list.

6. Follow the on-screen instructions to complete the uninstallation process.

Alternatively, you can also uninstall the Windows 3D Viewer through the Settings app:

1. Open the Start menu and click on the 'Settings' gear icon.

2. In the Settings app, click on 'Apps'.

3. In the 'Apps & features' section, find 'Windows 3D Viewer' in the list of installed apps and click on it.

4. Click the 'Uninstall' button and follow the on-screen instructions to complete the uninstallation process.

After completing these steps, the Windows 3D Viewer software should be successfully uninstalled from your computer. If you encounter any issues during the uninstallation process, you can refer to the software's official support page or seek assistance from Windows support.

It's important to note that uninstalling the Windows 3D Viewer will remove the software and its associated files from your computer. Make sure to back up any important 3D files or projects before proceeding with the uninstallation. Once the software is uninstalled, you can also consider using alternative 3D viewing software to meet your needs. This could include exploring other third-party options or checking if Windows offers any alternative built-in 3D viewing features.

By following these steps, you can easily uninstall the Windows 3D Viewer from your computer and free up space or explore other software options that better suit your needs.