If you are looking for an alternative with a more modern, app-like interface (but similar functionality), you can check out the available on the Microsoft Store.
Allows saving dozens of pre-configured strings or hex chains. sscom english version
Based on the discussion above, we recommend the following: If you are looking for an alternative with
Plug in your USB-to-UART adapter (CP2102, CH340, FTDI). Note the COM port number assigned in Windows Device Manager. app-like interface (but similar functionality)