Search "FT_PROG FTDI" or go to ftdichip.com/utilities/ (look for "FT_PROG").
ft.close()
If you’ve landed on this page, you’re likely holding a PCB with an FT245RL chip on it, or you’re designing a project around this popular FIFO (First-In, First-Out) USB-to-parallel bridge. You know the hardware is solid—but now you’re stuck on the software side.