From the remote PC, please visit https://screenconnect.integritasystems.com using Chrome or FireFox.
From there, you should Login:
Enter your email address and password. If you do not know your password, click on "Forgot Password" to reset it.
After logging in, you will be prompted for a One-Time Password. This will be emailed to your email address, unless you have been set up with another method:
After logging in, you should see the machines you have access to:
To connect, right click on the machine and choose Connect:
Once you connect, you will have a connection window that looks similar to the following. At this point, it is as if you are sitting in front of the PC you have connected to:
Click on the "Send Ctrl-Alt-Del" link if it appears, or use the lightning bolt icon to Send Ctrl-Alt-Delete, as well as perform other operations: