In 2022, Samsung released an official video guide demonstrating how to properly install accessories for the Galaxy Z Fold 4, focusing on the "Standing Cover with Pen" to ensure longevity and usability. The video emphasizes a "slide and click" method for the modular case and cautions against removing the pre-installed inner screen protector. You can find more information and the official video by searching for "Samsung Galaxy Z Fold 4 accessory installation guide" on the official Samsung support site.