Download your Flash file on your computer.
Copy the advanced installation HTML code snippet.
Log into your wordpress.org account, go to your dashboard and add a new Post.
4.1. Paste the HTML code snippet where you want into your post. 4.2. Click on Add Media button.
Upload your Flash file to your web account.
When it's uploaded, copy the file URL and close the Insert Media page.
Update the HTML code by pasting the file URL at 2 places (blue below). Publish when you are done.
More questions ? Contact-us !