AutoCAD 2015 is a powerful CAD software that allows users to create precise 2D and 3D designs. If you're new to AutoCAD 2015 and want to switch to a 3D view to enhance your design experience, here's how you can do it:

1. Open your AutoCAD 2015 software and load the drawing or model you want to work on.

2. Once the drawing is loaded, go to the top ribbon and look for the 'View' tab.

3. Click on the 'View' tab, and you will see a '3D Views' panel with various options.

4. In the '3D Views' panel, you can choose from options such as 'SW Isometric', 'SE Isometric', 'Top', 'Front', 'Left', and more to change the view of your model to different 3D angles.

5. Click on the desired 3D view option, and your drawing or model will switch to the selected 3D view.

Additionally, you can also use the 'ViewCube' tool located in the top-right corner of the drawing area to change the view to different 3D angles. Simply click and drag the ViewCube to rotate the view of your model in 3D space.

Changing to a 3D view in AutoCAD 2015 is essential for designing and visualizing 3D models with precision. Whether you're working on architectural designs, mechanical parts, or any other 3D project, switching to a 3D view will provide you with the necessary perspective to create and modify your designs effectively.

By mastering the ability to switch to 3D views in AutoCAD 2015, you will elevate your design capabilities and produce more accurate and visually appealing 3D models.

To summarize, accessing 3D view options in AutoCAD 2015 is a straightforward process. Simply navigate to the 'View' tab, explore the '3D Views' panel, and select the desired 3D view option. Additionally, utilize the ViewCube tool to rotate the view of your model in 3D space for a comprehensive design experience.

With these features at your disposal, you can harness the full potential of AutoCAD 2015 and bring your 3D designs to life with precision and efficiency.