Hello Valentin!
You can send us an email with the project file (the file with .IWZIP extension) as attachment to file@answers.websitex5.com using as Subject “Post 80788 per Samantha M.”
If your project size is more than 10 megabytes, you can use online services like www.wetransfer.com to send  us your project.
To export the project you want to send us, please use the function “Export the Project” in Step 5 and save it in C://.

Please write back and let me know when you have sent it.
Thank you!
Samantha