Our first steps tour and our frequently asked questions will help you a lot after registration. They explain how to customize the interface (for example the language), how to upload files and our basic licensing policy (Wikimedia Commons only accepts free content).
You don't need technical skills in order to contribute here. Be bold when contributing and assume good faith when interacting with others. This is a wiki.
You have uploaded several files that are copyright violations. You have done so despite requests from editors not to do so, and despite their instructions. See Commons:Licensing for the copyright policy on Wikimedia Commons. You may also find Commons:Copyright rules by subject matter useful.Consider this your last warning. Continuing to upload copyright violations will result in your account being blocked. Please leave me a message if you have further questions.