2. Changing the Yubikey PIN.

After the installation is complete, insert your Yubikey into your Mac and open the "Yubikey Manager" from the "Applications" folder in the "Finder."

First, you’ll need to set up a PIN for your key. To do this, insert your Yubikey and run the “Yubikey Manager”. To find the “Yubikey Manager”, open “Finder” and “Applications”.

Once in the Yubikey Manager, click on “Applications -> PIV” and then “PIN Management” (use the “Configure PINs” button). If this is a new Yubikey, select the “Use default” PIN option for “Current PIN” enter your new PIN, and select “Change PIN”

Selecting the PIV option in the “Yubikey Manager”

PIV Management “Configure PINs”

Changing the PIN