Select this if your ISP requires a username and password (common for DSL connections).
For a more stable management experience, you can use MikroTik's native Windows software. mikrotik router quick setup link
Type admin as the login, leave the password blank, and click . Select this if your ISP requires a username
If you are using WebFig via your browser, you will likely land directly on the page. If you are using Winbox: Look at the top-left menu corner. Click on the very first option: Quick Set . leave the password blank