Open the spreadsheet in the Google Sheets editor window and click on View > Freeze > 1 row. A thick grey bottom border will appear beneath the row confirming that it has been frozen.

This article will show you how to freeze the first row of your Google sheet, or any other row that you want to be frozen. 1. Freezing Rows In Google Sheets. ... you may want to keep certain columns or ...

Google Sheets' freezing function allows you to pin not just the topmost row and leftmost column to your view but even create larger, more specific freeze-frames based on your preferences.