how do i get an apple password

Enter the Apple (iCloud) ID and click Forgot Password.

Apple ID - Manage            

Apple ID – Forgot Password            

You signed in here with an Apple ID and associated password. Thus, you have one Apple-ID related password. If you want to change it (or one that goes with another Apple ID),

See Change your Apple ID password https://support.apple.com/en-us/HT201355

And see What to do after you change your Apple ID or password https://support.apple.com/en-us/HT204071

You create one when you establish your Apple ID.