The WEG WPS software has a unique feature
you can install and uninstall any update at anytime! That takes the worry out of doing software updates and makes your life easier. This is a low cost VFD with high end features like Dynamic Braking, Fire Mode, PID, 65,000A SCCR, Zero Stack foot print, Multi-Speed, etc and is even cULus listed!
You can download the software for free at https://www.automationdirect.com/adc/home/home