The following steps below are how to create virtual machine using password authentication.
Go to Azure portal search virtual machine

Click create and select Azure virtual machine

In project details, name the resource group

In instance details, name the virtual machine and choose the region, and leave the rest as default

In administrator account, in authentication type select password; create username and password
.
Leave the rest as default and click review and create

Allow validation to pass, then select create

Click on go to resources

In the resources, click on the ip address

Drag out the idle timeout from 4 minutes to 30 minutes and save

Go to the Virtual machine and click connect

In powershell, type ssh username@ipaddress; so it will be ssh ugonna123@20.117.201.120 and press enter and it will prompt you to enter password. its will prompt to select yes/no to continue connection

The following shows it has connected
.