If the Pin to Start context menu item is not working or is missing in Windows 11/10, then you have to change Group Policy or Registry setting.

Windows 10 includes a well-hidden option that gives you quick access to common folders. This secret shortcut list appears on the left of the Start menu. Here's how to customize that list.

Other than securing your local account with a password or a PIN, one can set and use BIOS or UEFI passwords on their Windows computer.