1. Visit https://usegalaxy.org.au/

  2. Register for an account (using the 'Login or Register' link in the page header) 

  3. Upload some data files (use this icon on top left)

  4. Find a relevant tool be searching for its name or function (type into this box on the top left) 

  5. Change relevant  parameters for the tool and push the Execute button 

  6. Your results will be generated.

For introductory tutorials that describe how to upload data and invoke a tool, sehttps://training.galaxyproject.org/training-material/topics/introduction/