orca not working in Rstudio

[chitra-ramakrishnan]

I ran the below code,
library(plotly)
fig <- plot_ly(data = iris, x = ~Sepal.Length, y = ~Petal.Length)
fig
orca(fig,"testfig.png")

I get the error:
Error: The orca command-line utility is required for this functionality.
Please follow the installation instructions here -- https://github.com/plotly/orca#installation

I can see the orca command, run help but it doesnt produce the output

[rodaguayo]

This works for me (Windows 10):
Sys.setenv(PATH=paste0("C:/Users/username/AppData/Local/Programs/orca;", Sys.getenv("PATH")))