Go to the YouTube website and find the video you want to download.
Copy the URL of the video from the address bar of your browser.
Open YT2D.io in a new tab and paste the URL of the video into the input field.
Click on the "START" button.
Select the file format and resolution that you want to download the video in.
Click on the "Download" button to begin the download process.
Wait for the download to complete. The time it takes will depend on the size of the video and your internet connection speed.
Once the download is complete, you can find the video in the download folder on your computer.