To do so, you can follow this tutorial to create a drop-down list in Google Sheets. You can create a single, colored as well as a nested drop-down menu with the help of this guide.

Google Sheets is a free web-based application and a popular alternative to Microsoft Excel. The tool allows to easily create, update, and modify spreadsheets.

And even though free usually means you can't do as much, Google Sheets does still allow you to add drop-down lists to your spreadsheets. Here's how to do it.