add --profile:
aws iam get-user --profile default
aws iam list-users --profile default
file: C:\Users\DESKTOP\.aws\credentials
------------------------------------------------------------------------------------
[default]
aws_access_key_id = AKIA5GMKOIQYHJUI5WR
aws_secret_access_key = J8GhnB2kRbg9UVPKyjndvj4Ib3JO57ZW5Adohmu4
------------------------------------------------------
file: C:\Users\DESKTOP\.aws\config
--------------------------------------------------
[default]
region = us-east-1
output = json
-----------------------------
aws iam get-user --profile default
aws iam list-users --profile default