Answer: Create a Zipped Folder using Windows:
Choose the folder you'd like to zip.
Right-click the folder, point to Send to, and then click Compressed folder(zipped).
A new zipped folder will appear in your Desktop, this Zip File can now be used for your HTML drop.
HOW TO UPLOAD:If you're on a PC using Windows, right-click the folder and in the menu that appears you should select Send to and then under that menu select Compressed (zipped) folder. You then should see a zip-file with the same name as the folder you created appear. You should upload this zip-file on the submission page.
Explanation:\
