iPhone unable to restore with error 4010

I forgot my password,

See -> If you can't connect or sign in to iCloud

If you can't connect or sign in to iCloud - Apple Support

See this Apple article: If you forgot your Apple ID password

If you forgot your Apple ID password - Apple Support

Then see this Apple article: What to do after you change your Apple ID or password

What to do after you change your Apple ID or password - Apple Support

BTW: You are sign in here .  .  .  with your Apple ID & Password.

Your Apple ID is the personal account you use with all Apple products and services. It includes the email address and password you use to sign in, as well as the contact, payment, and security details that you use with Apple.

You can’t merge multiple Apple ID accounts.

iPhone unable to restore it error 4010

See this Apple article: If you see an error when you update or restore your iPhone, iPad, or iPod

If you see an error when you update or restore your iPhone, iPad, or iPod - Apple Support (SG)

Additional:

Turn your iPhone on and unlock it -> enter the passcode.

Go to Settings -> set Auto-Lock to Never.

Check Service.

Check the Wi-Fi connection.

Make sure your Mac has the latest version of macOS 

Make sure your Windows PC is up to date.

Update to the latest version of iTunes -> Update to the latest version of iTunes – Apple Support (UK)

See also -> Check your third-party security software

Turn Off Hotspot.

Turn Off or remove VPN if necessary.

Disable all AV & Firewalls temporarily while you restore your iPhone.