In the Chrome browser, select the three vertical dots in the upper-right corner.

In this menu, click on
Settings

On the left side, click on

Scroll down to near the bottom and click on

Scroll to the bottom and click on

Click on

Change the setting to appear as shown:

There is no save button, just close the browser tab

Now when you click on a pdf link, the file will download. You can click on this in the lower left corner to open in Acrobat.