Once all details are filled in, click the button (usually located at the bottom or top right of the window).
For a more detailed walkthrough, you can refer to the official Saral TDS New File Creation tutorial Saral Pro Step-by-Step Filing Guide import existing data
If you are migrating multiple companies to a new financial year, use the Bulk File Creation option under File > Create New from Existing to copy master details from the previous year automatically.
For a new file to function as a TDS return tool, the specific module must be activated.