To download video from Aliexpress, please make sure you have the latest Chrome browser then follow the following steps.
1. Open the page of your target product with video using latest Chrome browser
2. Find the video you would like to download
3. Right click on the video, then click on "Save Video As" option as shown in below screenshot. Then you will be able to save the video to your computer.
After downloading the video, you can upload it to Vimotia using the upload video option.