Armatures moving and editing is restricted

I’m practicing rigging this model I just finished kitbashing, but when I try adding armature from the head or tail or even moving it to the desired location, it’s very restricted, as shown in the video here

If anyone has any idea how to fix this, please tell…

You have snapping enabled. Look at the magnet icon on the top of your 3D viewport.

that works wonder, thanks a lot