If the screen is dead, consider replacing the unit with a modern NS series HMI (which uses CX-Designer) rather than trying to resurrect a 25-year-old laptop with a serial port.

Omron officially discontinued this tool years ago in favor of the CX-One package (which includes NTST). However, finding a working download that doesn’t come with a virus is a nightmare. omron nt series support tool download

Because this software is old and requires a serial number, many "cracked" versions online contain malware. Always scan any downloaded .exe or .zip with VirusTotal before running it. If the screen is dead, consider replacing the

Here is the reality of getting this software running in 2024/2025. Because this software is old and requires a

Finding and Using the Omron NT Series Support Tool (Windows 11/10 Guide)

If you are reading this, chances are you are standing in front of a legacy machine running an Omron NT20S, NT31, or NT631 HMI. The screen is blank, the PLC is running, but you can’t make changes because you don’t have the NT Series Support Tool software.