Follow the installation wizard.
Since Terabox doesn't expose a standard file system API (like FUSE), you cannot mount Terabox as a native drive in Ubuntu. The closest you can get is using the to create a watch folder. terabox ubuntu
If you prefer not to install local software, the TeraBox web version is fully functional on Ubuntu via browsers like Firefox or Chrome. Follow the installation wizard
Using TeraBox on Ubuntu is straightforward. Here's a step-by-step guide to get you started: terabox ubuntu