Go to my.togetherplatform.com and enter your work email address. You will be routed to your organization's Single Sign-On portal, where you can further input your credentials. There are a number of instances of SSO portals, some of the common ones include signing in via Microsoft or Google's services, although some organizations manage their own SSO portal.
*Example for Microsoft SSO*
Once you have successfully inputted your credentials, you will be directed to the Together platform.
How to log out
At the top right corner of your home page, click on the drop-down arrow next to your initials and click on Logout.