How can I enter the password for my Apple ID
How can I provide my own Apple ID password
Question marked as
You are asking completely unrelated questions, one of which has nothing to do with this particular forum (Apple Account).
Read this support article to learn how to sign in with your Apple ID on various kinds of devices --> Sign in to your Apple Account - Apple Support
For an Apple Mobile device:
1. Open the Settings app.
2. Tap Sign in to your [device].
3. Enter your Apple ID and password.
4. If prompted, enter the six-digit verification code sent to your trusted device or phone number and complete sign in.