This IDC Tech Buyer Presentation presents a 10-step approach and a 100-day plan to successfully launch an IT-based business transformation. It complements Leading in 3D: 100 Days to Set the Stage for Digital Transformation, (IDC #US41702516, September 2017). For senior leaders in every discipline, much is written about "the first 100 days" of their tenure or of a project. Typically, this period is one during which a leader must evaluate an organization, establish authority, signal change, and begin to establish relationships. In the case of a digital transformation (DX) effort, the stakes are typically very high, and the challenges for senior leaders call for both leadership and management — implemented in a synergistic way. This IDC Presentation, written for CIOs and senior information and technology executives, lays out a plan for getting started in the IT transformation that is essential for the digital transformation of a business.