Try to change it by going to System Preferences -> Users & Groups -> your account, and click on Change Password...
Answer from Ilari Scheinin on Stack ExchangeHello,
I am currently considering switching from Windows to Mac. In fact, I had decided to switch, and was ready to place an order as soon as my desired spec came back to the refurb store. I was really looking forward to the Macbook Pro's great hardware, performance, and battery life as comapred to Windows laptops.
However - I have just learned that there are no options for fingerprint login on Mac other than the TouchID built into the laptop itself, or the Magic Keyboard. This means that, since I use a different keyboard, and will have the laptop docked in clamshell mode, that I will not be able to use my fingerprint to login.
This is really not ideal, and may convince me to stick with Windows. But I wanted to check - if I do go for this setup, and so I am required to use a password to login (and for unlocking settings, store, etc.), does MacOS have password strength requirements for the system password? And if so, what are they? I have not been able to find this info anywhere online.
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Try to change it by going to System Preferences -> Users & Groups -> your account, and click on Change Password...
Password policy is only enforced on OS X if you have a profile setting it or if the machine is bound to a directory server.
- Checking profiles is the easiest - Open your System Preferences and go to the Profiles preference pane.
- Checking binding can be done by opening terminal and showing the status:
dsconfigad -show
Delete any profiles that are setting password policy / restrictions and you will then be able to choose your desired password. Or you can reach out to the people that set your password policy and see what can be done to change the restrictions they have placed on your Mac. This isn't something that Apple defines as the out of the box experience as local passwords can be as short and insecure as you wish. You could have no password by pressing enter in the Users & Groups preference pane where you change the password using the normal graphical interface.