Refiniv Workspace replaces Thomson One. Most of what you found in Thomson One is now on their new platform and you can use the resource on most browsers. Register for access through Workspace's self-registration processing using your BC email and then you should be able to log in right away if you are setting up your account for the first time.
YOU MUST USE INTERNET EXPLORER
NOTE: Add Thomson.One to "Compatibility View Settings" under Tools in Internet Explorer.
Please remember to sign out using the red arrow in the upper right corner.