The manual method has a download limit. If a folder is larger than 20GB or contains more than 10,000 files, you will not be able to download it as a single ZIP file from the web. You must use Method 1 (the Desktop App) for large folders.
Downloading a Dropbox folder to your computer can be done in two primary ways: through the web browser or by using the official desktop application. The best method depends on whether you want a one-time copy or a continuous sync of your files. Method 1: Download via Web Browser (One-Time Copy) how to download dropbox folder to computer
Download and install the Dropbox app from the official website. Sign in to your account. The manual method has a download limit
Navigate to the "All files" section in the left-hand sidebar. Locate the folder you wish to download. Downloading a Dropbox folder to your computer can