Upload Object
Find the Bucket you just created
Click to enter 
Click on Upload Object
- When uploading, you can specify
content-type, which must be compliant with MIME. Thecontent-typehelps the browser to identify the contents of the file. For example, if you upload a jpg file and specifycontent-typeasimage/jpeg, then when you open the url of this Object with Chrome, the image is automatically displayed instead of downloaded.