Create an IAMS user in step by step

    In the AWS Console, click Services, then click IAM to go to the IAM dashboard.
    In the left navigation menu, click Users.
    Click Add user.
    In the User name text box, type edXProjectUser
    For Access type, select Programmatic access and AWS Management Console access.
    For Console password, you may choose either Autogenerated password or Custom password. If you choose Autogenerated, you will be prompted to change your console password when you log in to the AWS Console as the edXProjectUser user. Make sure you take a note of the password created.
    Click Next: Permissions.
    Under Set permissions for edXProjectUser section, click Attach existing policies directly.
    In the search text box for Filter, type edXProjectPolicy. Select edXProjectPolicy from the filtered list.
    Click Next: Review.
    Review the information and click Create user. You should see a success message.
    Click Download .csv to download the access key ID and secret access key.
    Note: This is your only chance to download these credentials.
    In the Email login instructions column, click Send email. You can send an email to an email address of your choice. This email contains the instructions to sign in to your AWS account with the edXProjectUser AWS IAM user credentials.
    Click Close to return to the console.
    In the left navigation menu, click Dashboard.
    Note the IAM users sign-in link. This is a special URL for IAM users, which includes your account ID. You will see the same URL in the email you just created.
    Sign out of the console, and follow the instructions provided in the email you just received to sign in to the AWS Console as the edXProjectUser AWS IAM user.