How do I recover my password and Apple Account to access 50 GB of iCloud data?

This is going to be difficult when you forgot both your ID and password. If you can remember the email address or phone number used in the account, then you may find the link below to be helpful. You are logged to your Apple Account here.

You can try using a trusted device, such as an iPhone, iPad, Apple Watch, Apple Vision Pro, or Mac on which you’ve already signed in to your Apple Account using two-factor authentication. It’s a device that Apple know is yours, so it can be used to verify your identity. Learn more about trusted devices and trusted phone numbers.

If you forgot your password and can’t sign in to your Apple Account - Apple Support

"How do I recover my password and Apple Account to access 50 GB of iCloud data?: I have 50 gigs of my life uploaded to the cloud but I forgot my password and apple id"

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Using these Forums Credentials:

You are able to log into these forums just fine. So, then email and password to use would be no different, given it is the same account.

To Get All of iCloud Drive:

Use my user tip: Getting a Quick and Direct "iCloud Drive-to-External Hard Drive" Download - User Tip