The chapter provides a walkthrough of Living Labs, starting with the origin, what Living Labs are all about, and different types of Living Labs. The chapter also contains the key components, the key principles as well as key stakeholders and roles important for successful Living Labs. It continues with descriptions of how to implement and carry out Living Labs, ranging from the innovations to be experimented with, the physical setting, governance, and management to the ICT-infrastructure. Next follows how to involve and engage users, partners, and stakeholders. The chapter ends with a description of the FormIoT process, a structured method for research and innovation in real-life settings.