How to change Yubikey PIN code on MacBook
For a MacBook the Yubikey Manager Software is needed, and can be downloaded from this link:
https://developers.yubico.com/yubikey-manager-qt/Releases/yubikey-manager-qt-latest-mac.pkg
- Install the Yubikey Manager pkg application.
Remark: Roseta need to be installed, so click on Install as needed

- Launch Yubikey Manager application.
- Insert the USB Yubikey on a MacBook USB port.
- Some informations will be appear about your Yubikey.
- On "Applications" tab, select "FIDO2" option.
- Click on "Modify PIN code".
- this code in alphanumeric. it can contain letters, numbers, and need to have 6 caractors minimum for Bealink compliancy.
And that's all !