help me quick please I am installing sim mechanics add in in solid works

I keep getting this error

>> Untitled1

Execution of script install_addon as a function is not supported:

C:\Users\ADMIN\Documents\MATLAB\install_addon.m

Error in Untitled1 (line 1)

install_addon('smlink.r2021a.win64.zip')

i have tried installing sim scape using add on explore and then type smlink_linksw, it does not work. sim mechanics add in option does not shows up in solidworks.