Getting the Ctrl-Shift-A to bring up the extension menu, in chrome browsers, just like firefox.
Download this extension
Now go to the extension menu.
Copy and paste this in the address bar.
Edge: edge://extensions/shortcuts
save the bookmark, with Ctrl D
go to the Bookmark Shortcut extension,
in the first box, click Ctrl-Shift-A
It should work now, close and open the browser to verify.
techmissingmanual 