Open a web browser or the Mail app
Go to iCloud.com
Click Sign In
Enter your Apple ID email address
Enter your password
Complete two-factor authentication if prompted
Select Mail to open your iCloud email
On iPhone or iPad, open Settings
Tap your name
Tap iCloud
Turn on Mail if needed
On Mac, open the Mail app
Add your iCloud account if needed
Enter your Apple ID and password
On Windows, install iCloud for Windows if needed
Sign in with your Apple ID
Enable Mail, Contacts, and Calendars
Open your email app to access iCloud Mail