Techdemo downloading problem

Hello.
Just today I tried my best to download the techdemo, or find anyone on the forums that had my same problem.
Here is my problem: I click the Techdemo tab. It redirects me to gamershell with the download link.
I click download, and it brings me to a screen where it 'prepares' the download.
Then, when its ready, I click the 'your download is ready, click here' button.
Then it brings me to an error page, and it tells me that 'The authentication key you used was not valid.'!
Please help!


Edit:
Problem solved! thanks for your time!

 

The exact same thing happens to me, i was just going to try it out before i buy it, but it says the same thing to me. Oh well, guess I'll have to wait until tonight
:/