If you've received a Max file and need to open it, you'll need Autodesk 3ds Max software. 3ds Max is a professional 3D modeling and rendering software developed by Autodesk. Here's how to open a Max file using 3ds Max:

1. Install 3ds Max: If you don't already have 3ds Max installed on your computer, you'll need to download and install it from the Autodesk website. You can choose between a free trial or a subscription-based license.

2. Open 3ds Max: Once 3ds Max is installed, launch the software by double-clicking the desktop shortcut or searching for it in your computer's programs.

3. Import the Max file: In 3ds Max, go to the 'File' menu and select 'Import'. Navigate to the location where the Max file is stored and select it. Click 'Open' to import the Max file into 3ds Max.

4. Explore the file: Once the Max file is opened in 3ds Max, you can explore and manipulate the 3D model as needed. You can make changes to the model, apply textures and materials, animate it, and prepare it for rendering.

5. Save your work: After making any necessary changes to the Max file, be sure to save your work. In 3ds Max, go to the 'File' menu and select 'Save As' to save the file with a new name or in a different location.

Opening a Max file is straightforward when using Autodesk 3ds Max software. This powerful tool provides a wide range of features and capabilities for working with 3D models, making it a popular choice for designers, architects, and artists. Whether you're new to 3D modeling or an experienced professional, 3ds Max offers a user-friendly interface and robust tools to bring your creative visions to life.

With the steps outlined above, you'll be able to open any Max file and start working on your 3D projects with ease. Take advantage of the advanced features of 3ds Max to enhance your designs and create stunning visualizations for architecture, product design, and more.