Lightweight Carbon Fiber Camera Tripod Professional Travel Tripod 66"/168cm 22lbs Load Capacity for DSLR Cameras Ship to EU&AU Only (TC2534)

SKU: KF09.010

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For how to install the center column, please refer to this video https://youtu.be/3BvJKWNElRg. 
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Yes, you can change the head. 
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From what I can tell, the suggested mounting plate is a quick release. That would be a matter of preference and you wouldn't need another if you are satisfied with your mounting plate. 
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For how to install the foot locking system, please refer to this video https://youtu.be/jZb6Fn6T_u0. 
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To hold telephoto lens, it is recommended to use a tripod mount ring additionally for better balance. Meanwhile, it is better to hang some heavy thing to the hook to lower the center of gravity on this tripod to make it more sturdy and less prone to vibrations.