How to Route Differential pair routing ?
Tutorial:
https://docs.easyeda.com/en/PCB/Route/index.html#Differential-Pair-Routing Forum:
https://easyeda.com/forum/topic/Setting-Trace-Space-on-Differential-Pair-Routing-8b2abd9a502c48dc856f19617cefbb2e
xxxxxxxxxx
Brand new interactions and interfaces.
Smooth support for design sizes of over 3W
devices or 10W pads.
More rigorous design constraints, more
standardized processes
For enterprises, more professional users.
Easy to use and quick to get started.
The process supports design scales of 300
devices or 1000 pads.
Supports simple circuit simulation.
For students, teachers, creators.
Brand new interactions and interfaces. 
Easy to use and quick to get started. 
Tutorial:
https://docs.easyeda.com/en/PCB/Route/index.html#Differential-Pair-Routing
Forum:
https://easyeda.com/forum/topic/Setting-Trace-Space-on-Differential-Pair-Routing-8b2abd9a502c48dc856f19617cefbb2e