This chapter examines the Platform Regulation and its role in the European framework for regulating digital platforms. It begins by outlining the objectives of the Regulation. It is a European regulation aimed at promoting fairness and transparency in favour of business users of online intermediation services and search engines. Indirectly, the Regulation also aims to protect consumers. The chapter then focuses on the key provisions, including transparancy obligations, regarding terms and conitions, ranking mechanisms, and access to data. It also considers enforcement.