Windows-10 64bit:

1. Insert USB Programmer based on chip CH341A in port USB.
2. Run zadig-2.3.exe. Select device ID 1a86:5512 and push INSTALL.
3. Use SNANDer.exe in console mode(cmd)...

Linux Ubuntu 64bit:

1. Copy SNANDer in directory /usr/local/bin.
2. Copy 40-persistent-ch341a.rules in directory /etc/udev/rules.d.
3. Restart udev service as udevadm control --reload-rules.
4. Use SNANDer in console mode.

MacOS X 64bit 10.15.x or higher:

1. Copy SNANDer in home directory.
2. Use SNANDer in console mode...