If you're a Windows 10 user, you might be interested in exploring the 3D Viewer app, which allows you to view, edit, and create 3D models and objects. Here's how to get started with 3D Viewer:

1. Launch the 3D Viewer app: You can easily find the 3D Viewer app in the Start menu or by searching for it in the Windows search bar. Click on the app to open it.

2. Viewing 3D objects: Once the app is open, you can start by loading a 3D object or model. You can do this by clicking on the 'Open' button and selecting the 3D file you want to view. You can then rotate, zoom, and pan the 3D object to view it from different angles.

3. Editing 3D models: If you have a 3D model that you want to tweak or customize, 3D Viewer allows you to make simple edits. Click on the 'Edit' button to access basic editing tools such as scale, rotate, and mirror. You can also apply different textures and colors to your 3D model.

4. Creating 3D models: If you're feeling creative, you can use 3D Viewer to create your own 3D models. Start by clicking on the 'Create' button and choose an object shape to get started. You can then use the editing tools to customize the shape and create your own unique 3D model.

5. Viewing in AR and VR: One of the cool features of 3D Viewer is the ability to view 3D objects in augmented reality (AR) and virtual reality (VR). If you have a compatible AR or VR device, you can enable AR or VR mode within the app to experience your 3D models in a more immersive way.

6. Sharing your 3D creations: Once you're happy with your 3D model, you can share it with others. Click on the 'Share' button to export your 3D model as a 3D printable file or in a standard 3D file format such as .fbx or .obj.

Now that you know how to use 3D Viewer in Windows 10, you can start exploring the world of 3D modeling and creation right from your PC. Whether you're a beginner or an experienced 3D artist, 3D Viewer offers a user-friendly interface for all your 3D needs.