The T3000 application is not particularly demanding on the CPU, a bare bones Win10 system will run the application just fine.
There is no linux or Mac version of the software. Windows XP is no longer supported.
Microsoft Windows 8 thru Win10
SVGA or better, color display
1Ghz Hz processor
1G RAM
2 GB free hard drive space
Ethernet
USB to RS485 converter is recommended for testing RS485 communications.