It's very easy to install. "Installation instructions Desktop installation C-type desktop clip installation, the C-type iron angle code align the gap of the plastic seat and put it in, then push it hard, iron corners and plastic seats fasten. 2 Loosen the C clamp and warp it around the edge of the desktop, ensuring that the upper and lower ends of the C clamp ae in contract with the plane. It's not suitable to be installed on the corner and the edge of the desktop." Align the stand rod to the socket of the base, fix it completely, and make it rotate smoothly. Rotate the stand rod to the desired direction, tighten the knob, press the insert rod at the buttom of the stand to make it stable. "Microphone installation. The microphone can be mounted to the arm stand via a shock mount, microphone clip, or internal thread( if present on the micriphone). The arm stand supports 3/8" threaded shock mounts and microphone clips, and can also support 5/8" threads through the included converter, The microphone can be connected up or hung upside down on the arm stand. The following are the steps to installall the microphone:" "5 After completing the above 2 steps; screw the microphone's shock mount or microphone clip to the arm stand and fix it. 6 Install a microphone into a shock mount or microphone clip." Intall a microphone into a shock mount or microphone clip. Adjust the boom to a 90-degree angle at the mid-rotation point, Make sure the microphone is balanced at 90 degrees and can move smoothly to the desired position. Wire the microphone, insert the microphone wire into the hidden trough of the arm stand. It can be buckled with cable ties, and cover the cables in the hidden trough. The earphones and earpulgs can be hung on the clamp, which is more free and convenient. It's factory adjusted for most broadcast microphones, but in some cases you may need to fine-tune the microphone stand. Adjustable resistance chains are used at each point of rotation(base,midpoiTEYUN Microphone Suspension Boom Scissor Arm Stand for K669 K670 BM800 BM900 Micro Phone Compact Mic Stand for Live Broadcasting. Free regualation: Adjustable resistance is used at each rotation point, and the hinge can easily adjust the internal spring tension. Built in trunking: Hidden channel cable management, tidy up messy cables, leave more space for the desktop high strength aluminum alloy cantilever. High strength aluminum alloy cantilever, surface drawing oxidation treatment. Minimal design, Full tube design, bult-in spring hinge, abandoning the traditional tension spring support, brings you a new experience, smooth, simple and quiet.