I forget may icloud and password

Welcome and thank you for reaching out. 🤗

If you are not the original owner, then Activation Lock is a security feature to protect the owner from theft. In that case, only the original owner can unlock it. 🔓

↓ If you are the original owner: ↓

According to Apple:

Remove Activation Lock on the device

Follow the onscreen steps to enter the Apple Account and password you used to set up your device or your device passcode. If you don't remember your Apple Account, try to sign in with an email address or phone number that you regularly use for Apple services.

Learn how to find your Apple Account or reset your Apple Account password.

If your device is owned by a business or educational institution, please contact your IT department or manager. 

Remove Activation Lock on the web if a device is offline

For iPhone, you might be able to remove Activation Lock on the web even if your device isn't offline.

1. Go to www.iCloud.com/find.
2. Sign in to your Apple Account.
3. Select the device that you want to remove from iCloud.
4. Click Remove This Device.

Start a support request

If you need help removing Activation Lock and have proof of purchase documentation, you can start an Activation Lock support request.

Thanks again for reaching out. 👍🏼

Good Luck! 👋🏼😉

Smiliñ 😎 Brian | Community Volunteer

Sorry, but this is a user to user community, and we can not access your personal data or disable the Activation Lock for this iPhone.

If you are the owner of the iPhone and your Apple Account has been used to set this iPhone up, you can reset your Apple Account password by following the steps in this article:

If you forgot your Apple Account password - Apple Support

If this is a second hand iPhone and the previous owner did not disable the Activation Lock before, you should contact this person about it.

If you can not reach the previous owner, but you have proof of purchase as explained in this article, contact the official Apple Support.

Contact Apple Support - Apple Support

But, there are a few requirements before your contact them:

...

You must be the owner of the device.

Apple may require proof of purchase. Proof of ownership must include the product serial number, IMEI or MEID.

Your data on the device will be erased.

If Apple unlocks Activation Lock on your device, all files and data stored on your device will be permanently erased. Please note, restoring your device from a local backup will re-enable Activation Lock.

We can’t unlock a managed device.

If your device is owned by a business or educational institution, please contact your IT department or manager. We also do not accept bulk requests.

Your device must not be in Lost Mode.

...

copied from: Additional Support - Activation Lock