How to click on download of pdf and save inside browser windw in robot framrwork

Thanks @damies13 , Which library works on all platform, I wanted to my script on windows and linux platform. Could you please provide any reference link which useful to install and implement code for the download pdf.

AutoIt only works for windows and I tried SikuliLibrary on windows but getting error referenced here- Getting permission error while importing Library -SikuliLibrary

I also installed -pip install robotframework-imagehorizonlibrary

But not able to import - Library ImageHorizonlibrary
Getting same error like SikuliLibrary

Then I wanted to try -

  1. Press Combination Key.CTRL Key.S
    or
  2. Click Image ImagePathOfPDFSaveIcon