Are you tired of the 3D Viewer app popping up whenever you open a 3D model on your Windows 10 computer? You're not alone. Many users find this default program unnecessary and want to remove or disable it. Fortunately, there are a few ways to get rid of the 3D Viewer and change file associations for 3D models.

Uninstalling the 3D Viewer:

1. Open the Settings app by pressing the Windows key + I

2. Click on 'Apps' and then select 'Apps & features'

3. Scroll down and find '3D Viewer' in the list of installed apps

4. Click on '3D Viewer' and then select 'Uninstall'

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

Disabling the 3D Viewer:

1. Open the Settings app by pressing the Windows key + I

2. Click on 'Apps' and then select 'Default apps' from the left-hand menu

3. Scroll down and click on 'Choose default apps by file type'

4. Scroll down to find the file types associated with 3D Viewer (e.g., .obj, .stl, .fbx)

5. Click on each file type and select a different app to change the association

Changing File Associations:

1. Open File Explorer and navigate to a folder containing 3D model files

2. Right-click on a 3D model file and select 'Open with' > 'Choose another app'

3. Select a different program to open the file and check the box that says 'Always use this app to open .[file type] files'

By following these steps, you can effectively remove or disable the 3D Viewer app on your Windows 10 computer and change file associations for 3D models. This can help streamline your workflow and prevent the 3D Viewer from interrupting your work. Whether you choose to uninstall the app entirely or simply change file associations, you have the flexibility to customize your experience with 3D models on your PC.