Due to browser limitations, users can upload up to 300 files equaling 4 GB in total at a time on TeraBox Website. This restriction does not apply to TeraBox's PC client. The size limit for an individual file being uploaded is 4 GB for nonmembers and 20 GB for Premium users. Premium users are also entitled to 2048 GB of ultra-large storage space. To download the TeraBox client, please go to our site's homepage or click the following link: https://www.4funbox.com/terabox-cloud-storage-for-pc-free-download.