This short video explains how you can set up NetClasses and Differential Par Classes in Altium Designer.
Important schematic mistakes that you may not be looking for.
Planning a layout, that sounds really scary, but it can actually save you a lot of time.
Very useful trick to delete tracks. Select a segment and press the backspace key multiple times.
PCB Layout Tips & Tricks, DDR2 / DDR3 Memory layout, Differential pair routing, Wide bus routing (PCI, ISA, etc. ), Impedance calculation, Stackup design, CPU Fanouts and more. Software used for demonstration: Altium Designer.