CPV code 48624000 designates Personal computer (PC) operating system software package in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
48624000 is a leaf code — the most specific level of its branch — so it can be used directly as the main CPV code of a contract notice. If it does not quite fit, check the neighbouring codes under 48620000 (Operating systems).