Step 1 — Install Fake Webcam
Download and install Fake Webcam and load a video. Keep it running before opening Snapchat.
Step 2 — Open Snapchat for Windows
Download and open Snapchat for Windows from the Microsoft Store or Snapchat's website.
Step 3 — Go to Camera Settings
In Snapchat, go to Settings → Camera and look for the camera source option.
Step 4 — Select Fake Webcam
Choose Fake Webcam Source from the camera list. Your video feed will now appear when you take snaps or make video calls.
The Snapchat Windows app supports virtual cameras. Make sure Fake Webcam is running before launching Snapchat.