01
Download the ZIP
Download protolink_1.4.0_win64.zip from the download page
ProtoLink 1.4.0
Install ProtoLink on Windows
Windows 10/11 x64
02
Extract the archive
Extract ProtoLink.exe to a convenient folder and run the file
03
Open the web interface
http://127.0.0.1:8000/
Invoke-WebRequest http://127.0.0.1:8000/api/healthz 04
Select the COM port
For Modbus RTU, connect the USB‑RS485 adapter and select its COM port