老软件官方文档说支持Windows XP操作系统，Windows 7也可以安装运行但是具体兼容性未知，Windows 10不兼容。
软件下载：
NT_Support_Tool_Ver_4.87E.zip
(34.09 MB, 售价: 10 E币)
英文版文档：
欧姆龙nt_series_softwarel操作手册en.rar
(4.64 MB, 售价: 1 E币)
特别注意：
默认安装后，软件中不显示System Ver3.2/4.2的Omron PT型号，如果需要操作这些版本的设备，需要进入NTST Registry文件夹里并双击相应的注册表文件（32 位或 64 位 Win7）导入到注册表中，这样就支持这些版本的PT型号了。
NT-series Support Tool for Windows Ver4.8 Release Notes
-------------------------------------------------------------------------------
This document offers you important information of NT-series Support Tool for Windows. Be sure to read it throughout.
================ INDEX ================
1. Differences between V4.7 and V4.8
2. Differences between V4.6 and V4.7
3. Differences between V4.2 and V4.6
4. Differences between V4.1 and V4.2
5. Restrictions on usage
6. Supplementary explanation for Importing of Recipe Data
7. Note to the customers who are going to upgrade the system program version of NT31, NT31C, NT631, NT631C without V1, V2 or V3
8. Additional issues specific to Siemens HMI adapter communications
-------------------------------------------------------------------------------
1. Differences between V4.7 and V4.8
-------------------------------------------------------------------------------
1.1 NT20 is supported
NT20 data is as same as NT20S data.
Refer to NT20 Users manual for detail functions.
1.2 NT31/631-V3 is supported
NT31/631-V3(SystemVer4.1) data is as same as NT31/631-V2(System V3.1) data.
Refer to NT21/31/631 Reference manual for detail functions.
1.3 Support Windows XP
Starting with EV4.8, Windows XP is supported.
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