Hi Tepi222,
Welcome to the Apple Community.
Your Apple ID is the ONE account you use to access Apple services,
like the App Store, Apple Music, iCloud, iMessage, FaceTime, and more.
It includes the email address and password you use to sign in,
as well as the contact, payment, and security details you use across Apple services.
Apple takes the privacy of your personal information very seriously,
and employs industry-standard practices to safeguard your Apple ID.
Your Apple ID password may be in use as the log-in and password you use with with (eg:) Messages, iCloud, or FaceTime app.
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If you have forgotten your Apple ID password, it may be easiest to reset it
You can try resetting your password from any trusted iPhone,
iPad, iPod touch (or scroll down for Mac) from the link below:
Try following the steps in this Apple support article (link below):
If you forgot your Apple ID password – Apple Support
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If you still need help:
Get a verification code and sign in with two-factor authentication – Apple Support
or
Apple ID Support WebPage
Official Apple Support › apple-id
All the best :-)