On the PCB Rules toolbar. click Prefrences.

General principles

Adjust values to suit your or your board house's requirements.

Click Save As to save to a Design Rules file (EDRU) so you can use this set of rules for another board.

To apply a set of Design Rules to a board, drag any DRU file from the Design Rules branch of the tree view in the Control Panel into the Layout Editor window or click Load in the File tab of the Design Rules window.

Click Edit Description to enter descriptive text for the current parameter set. The description usually appears in the File tab. HTML text can be used.

The DRC dialog include these tabs:

File	Manage the Design Rules
Layer Stack	Number of copper layers, structure of multilayer boards, kind and length of vias, thickness of copper and isolation layers
Annular Ring	Width of the remaining copper ring at Pads and (Micro) Vias(former known as Restring)
Shapes	Shapes of Pads and SMDs
Supply	Thermal symbols in copper plains
Mask	Values for solder stop and solder cream masks