The tutorial explains the basics of Power Surfacing in SOLIDWORKS, focusing on creating and editing sub-D models. It covers enabling the add-in, using creation tools, and starting with simple geometry like a box. Key techniques include extruding faces, adjusting edge weights for curvature, inserting loops, offsetting faces, and using manipulators for scaling and rotation. The video demonstrates converting sub-D models into SOLIDWORKS solids with adjustable accuracy, maintaining Class A surfaces, and editing features without re-sewing. Advanced options include mirroring, constraining sub-D geometry to analytic surfaces, blending complex shapes, and working with scanned meshes using quad wrap and shrink wrap for detail refinement.