You can't set a one-time password for iCloud. iCloud uses two-factor authentication, which means you'll need to enter a six-digit code sent to your trusted device in addition to your Apple ID password when signing in.
Here's how two-factor authentication works:
- Sign in to iCloud: Enter your Apple ID and password.
- Verification Code: You'll be prompted to enter a six-digit code. This code will be sent to your trusted device, either your iPhone, iPad, or Mac.
- Enter the Code: Enter the code you received on your trusted device.
- Access Granted: Once you enter the correct code, you'll be granted access to iCloud.
Two-factor authentication helps protect your iCloud account from unauthorized access.