The link below, will provide you the system status for Turnitin.
Turnitin System Status

The link below, will provide you the system requirements for using Turnitin.
Turnitin System Requirements

PLEASE NOTE:

While Turnitin does support many browsers,
ANGEL ONLY supports the following browsers: ANGEL 7.4 Browser Requirements

The link below, will walk you through on how to enable cookies for Turnitin supported browsers.
How to Enable Cookies for Turnitin Supported Browsers

If you are a student who needs to know more about submitting a paper to a Turnitin dropbox through ANGEL, then click on the link below.
Turnitin ANGEL Student Manual

If you are an instructor who needs to know more about creating a Turnitin dropbox through ANGEL, then click on the link below.
Turnitin ANGEL Instructor Manual