How to bend legs at the knee and make them move independently? Follow up to: Why can&#39;t I get the foot and the ankle move with the rest of the leg?

1) How I can get the two legs to move independently? 2) How can I get the legs to bend at the knee in Pose Mode?

Thanks Tak
To get the two legs move independently you need to go into edit mode and turn the x-mirror off as shown below:



To control knee bending, you need to add a new bone for pole targeting as shown here:

https://blender.stackexchange.com/a/21385/2517