Autodesk Revit walk tool, is designed to help you navigate through your 3D model in a way that mimics walking through a real building.
Activating the Walk Tool
There are 2 Walk Views that enables you to walk through the model without having to place camera views for a walkthrough, frame-by-frame and both Walk Views can be done in 2 different ways (view types).
Walk View Options:
1) Default 3D View – Change Properties Palette from Orthographic to Perspective mode
2) Camera View (Is by default in perspective mode) – Place a camera on Floor Plan
View Types:
1) Mouse Right-Click Button and walk using WASD / QE
2) Walk Tool on the navigation wheel
Option1: View Type 1 (Default 3D View)
1. Start by opening your Revit project where you want to Walk through the model.
2. Go to Default 3D View: Change the Camera Parameters from Orthographic to Perspective mode. You need to be in a 3D Perspective view to be able to use the Walk Function.
Walk View Option 1: (Perspective mode)
1) Default 3D View (Click on the House Icon on the quick access toolbar or View Tab > Create Panel > 3D View icon)

2) In your Properties Palette > Camera Parameters > Change Projection Mode from Orthographic to Perspective

3) Hold down the right-click button on your mouse and walk using WASD (W=Forward, A=Left, S=Backwards & D=Right) and to move up and down between levels use Q&E (Q=Down & E=Up) and to orbit the view mouse your mouse cursor into the desired direction. Can tilt the view up and down if you would like to walk up and down stairs/ramps.
Option 2: View Type 1 (Default 3D View)
1) Start by opening your Revit project where you want to Walk through the model.
2) Go to Default 3D View:
You need to be in a 3D Perspective view to be able to use the Walk Tool on the Navigation Wheel.
Walk View Option 2: (Perspective mode)
1) Default 3D View (Click on the House Icon on the quick access toolbar or View Tab > Create Panel > 3D View icon)

2) In your Properties Palette > Camera Parameters > Change Projection Mode from Orthographic to Perspective

3) Activate the Walk Tool via the Navigation Wheel
Turn on Navigation Bar
View Tab > Windows Panel > User-Interface dropdown > Tick on Navigation Bar

In the navigation bar > drop down > Select Full Navigation Wheel

Select Walk Tool

As the cursor moves over different sections of the wheel, the portions will highlight. Click and hold when the walk section is highlighted to activate walk mode. A small circle is displayed in canvas in the walk mode. As you move the cursor away from the circle, the view will move. Moving the cursor to the left or right of the circle will turn the view left or right. Moving the cursor above the circle will walk forward, and moving the cursor below the circle will walk backwards. As you walk, control the direction by moving the cursor left or right. The speed of walking is controlled by the distance the cursor is away from the circle.
Option 2: View Type 1 & 2 (Placing a camera on a floor layout plan)
The second walk option is by placing a single camera (which is in perspective view mode by default) and using the right-click option or the navigation wheel option, the same as with the 3D Default View.
Additional Tips
Using the Walk Tool can help you better understand the spatial relationships within your model and give you a more immersive view of your project. If you have any specific issues or questions, feel free to ask.
Additional Resources: Help | Video: Use SteeringWheels to Create a Walkthrough | Autodesk
Micrographics Vlog: Step by Step Video – Revit Walk Tool: https://youtu.be/p0BnuwKgoFY

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