Step 1:
Log into the apps dashboard login.tstc.edu with your OneID.
Step 2:
Choose Microsoft Office 365 app

Step 3:
On the top right, click on “Install and more”


Step 4:
Choose Apps & Devices and “Install office”

For the online version, go to visio.office.com and sign in with OneID. (this is for Plan1, not the downloadable version.)
