If you are a student, download immediately—it's often free. For professionals, the productivity gain (days to hours of modeling) justifies the cost.
If it returns a path, installation succeeded. Then type:
Simscape version numbers map directly to MATLAB releases (e.g., Simscape 5.0 for MATLAB R2015b). Download the version that matches your MATLAB release. Using mismatched versions causes block loading errors.
Drainage Stoke