There are several websites that allow you to download Instagram Reels without the need for an app. Here are the steps to download Instagram Reels using a website:

1. Open your web browser and go to a website that allows you to download Instagram Reels such as “DownloadReels.com“.
2. Open Instagram on your mobile browser and find the Reel you want to download.
3. Tap on the three dots at the bottom right of the Reel and then tap “Copy Link“.
4. Go back to the website and paste the copied link in the download box provided.
5. Click on the “Download” button and wait for the download process to complete.
6. Once the download is complete, the Reel will be saved in your device’s gallery.

Note: Be careful when using third-party websites to download content from Instagram as they may not be safe and could potentially harm your device or compromise your personal information.