Can Find My Mac be disabled on a stolen MacBook without a password? My friend had his MacBook stolen from his house but he didn't have a password on his MacBook so if the thief logged out of his iCloud can it still be tracked since he already put a lock on it?

If he deletes the iCloud account while the MacBook isn't connected to Wi-Fi can he still track it if the MacBook connects to Wi-Fi?
No, not without the original password
No, but you can sign into your icloud account from a different device and track the computer