The answer to 'how to clean steam cleaner yourself' is to regularly clean and maintain your steam cleaner to keep it working effectively. This involves descaling the interior, cleaning the exterior, and replacing any worn parts.
Start by unplugging the steam cleaner and allowing it to cool completely. Then, empty any remaining water from the tank. Use a descaling solution or vinegar and water to clean the interior, following the manufacturer's instructions. Wipe down the exterior with a damp cloth, being careful not to get any electrical components wet. Check the hoses, brushes, and other accessories for wear and tear, and replace them as needed.