Capture Traffic from Another Machine (Any OS)
Set Remote Machine Proxy Settings
Start Fiddler on Fiddler server (the machine that will capture the traffic).
Click Tools > Fiddler Options. Ensure Allow remote clients to connect is checked.
On the other machine, set the proxy settings to the machine name of the Fiddler server at port 8888.
Decrypt HTTPS traffic from the Remote Machine
Configure the remote machine to trust the FiddlerRoot certificate.