Please note that you have licenses for promis.e Professional Stand Alone and promis.e Professional for AutoCAD.
To run promis.e StandAlone you do not need any additional platform (such as MicroStation PowerDraft) therefore you were not provided with a license for MicroStation PowerDraft. This is the reason why your PowerDraft is running in non activated mode.
To solve this issue please download promis.e v8i (StandAlone).
Regarding the issue with a download from the fulfilment document, please:
1. Turn off a pop-up blocker in Internet Explorer by going to Tools -> Pop-up Blocker -> Turn Off Pop-up Blocker
2. Add www.bentley.com to Trusted Sites in IE by going to Tools -> Internet Options -> Security -> Trusted Sites -> Sites
3. Change a security level for this webpage to Low in IE by going to Tools -> Internet Options -> Security -> Trusted Sites -> Custom level… and change drop down list to Low.
Then please click on the link in the fulfillment document to download promis.e StandAlone.