To add a new file, click the plus button . The «New file» form will appear on the left panel, where you need to:

1. Fill in the «Name» field with the name of the resource being created.
2. Click the «Upload» button and select the desired file in the opened Explorer window.
   

   OR

   Drag the required file into the upload area:

   

   If necessary, the added file can be changed at this stage by removing the old one by clicking the button next to the file name that appears: 

3. Click the «Create» button.

If you need to exit the file addition form without saving the changes, click the «Cancel» button or the cross icon at the top of the form: