1. Install the 4 screws shown in the picture below onto the 4 holes of Raspberry Pi 4B.
2. Place Raspberry Pi into the case, make sure the four screws mounted in the previous step align to the 4 holes on the bottom. Use the black screws to fix them together.
3. Attach the top case, and fix them with black screws, that’s all.
This article takes a closer look at each of these devices, comparing them across key areas like Python support, ease of use, Python programming tools, pin design, and hardware projects.