gistfile1.txt

Log in here with pennkey (no @upenn.edu)
use pennkey password
https://rdp-lab.library.upenn.edu/maps

In the remote computer, open the browser and search for ExcelAlmaLookup, is should give you this ulr:
https://github.com/pulibrary/ExcelAlmaLookup/#readme

In the readme find the link to download the exe file.
Tinker with Windows to download and open the exe file to install the app.

Then open Excel and you should see “Library Tools”
add 
https://upenn.alma.exlibrisgroup.com/view/sru/01UPENN_INST