(verified mirrors)
Yes. While Windows 10 and 11 have inbox drivers for very basic parallel port chips (like the legacy 8255), the CH382L uses a proprietary PCIe bridge. Without the correct driver, Device Manager will show: wch ch382l parallel port driver download
11, 10, 8.1, 8, 7, Vista, XP, and Server versions (2003–2022) in both 32-bit and 64-bit architectures. (verified mirrors) Yes
Conflict with another LPT driver (e.g., legacy parport.sys or a different PCIe card). Device Manager will show: 11