Do you need to from an older version (like 19.0 or 20.0)?
calculator based on international standards (IEEE 1584, ENA NENS 09-2014) and enhanced graphical comparison for transient arc-flash results. Renewable Energy etap 21.0.1 download
Select and any additional tools like Data Exchange or Real-Time if your license supports them. Do you need to from an older version (like 19