...
- chose Touchstone Collaboration account from drop-down list
- click continue
- click not registered
- File in info (name, email, password)
- wait for confirmation email (~2 min for me)
- Click on activation link in the email and returned to the site. Now I could sign in with my email and password.
- go to web page https://wikis-mit-edu.ezproxyberklee.flo.org/confluence/display/DARKLIGHT/test77
- click edit , add some text, save