"How about animations, walking up the stairs or down... Anyone?" In short, if you want to keyframe it manually, use IK. Position your character at the bottom of the stairs. Move the slider along the timeline (or use the graph display) to a frame corresponding with your FPS (frames per second), then position one foot on the first step (the rest of the leg should follow accordingly, ie.: "Inverse Kinematics"). Move the hips up into position as needed. Move the slider again (basic keyframe animating), position the other foot on the next stair. Keyframe the hips again. Go to the next appropriate frame, and do it all over again. Once that basic overall motion it complete, then go back to frame 1 and begin animating the "secondary" motions for the arms, head, and torso as necessary. That's it in a small nutshell. :-)

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Tools :  3dsmax 2015, Daz Studio 4.6, PoserPro 2012, Blender v2.74

System: Pentium QuadCore i7, under Win 8, GeForce GTX 780 / 2GB GPU.