These devices are designed to be "Swiss Army knives" for connectivity, often used to:
: Windows should identify the driver as a "Twin USB Joystick" or similar gameport adapter. Click if prompted. Troubleshooting Common Issues Driver Signature Enforcement Ff-usb 4 In 1-3 Driver
If the device uses a serial-to-USB bridge, download the latest Virtual COM Port (VCP) drivers from the FTDI Chip Drivers page . These devices are designed to be "Swiss Army
—making it compatible with iPhones, Android smartphones (with OTG support), PCs, and MacBooks. Plug-and-Play Functionality Android smartphones (with OTG support)
Yes, but only for certain chipsets. Realtek and ASIX provide Windows 7 drivers. However, Microsoft has ended support for Windows 7, and you may need to install the SHA-2 update (KB3033929) first.