Are you using a mobile device to access your account at go.docushare.com and don't see the Login button in portrait mode?
Try one of these quick workarounds.
1. Rotate your device to Landscape mode.

2. Or navigate directly to the DocuShare Go login page.
Users with Data Hosting in North America: https://go.docushare.com/auth/sign-in
Users with Data Hosting in Europe: https://go.docushare-eu.com/auth/sign-in