It's easy to upload videos to the Simulation CFD WikiHelp:
1. Start by logging in:

Use your Autodesk Single Sign On login and password. This is the same login you use to access the Subscription Center and many other Autodesk resources:

When you are successfully logged in, you should see your login ID in the top right corner:

2. Click Upload video > Upload video:

3. Either click Browse, and select the video from a local folder or select Youtube, and enter the URL.
WikiHelp supports the following video formats:
AVI
MPG/MPEG
MP4
FLV
Note that the maximum file size = 70 M.

4. Fill in the requested information in the Video details section, and click Submit.
Be sure to select Simulation CFD as the Product, and check the box confirming that your submission complies with the Wiki Guidelines.
After the file loads, it goes to a staging area for moderation. After it is reviewed, it is live on the WikiHelp!