- The document outlines a 60-day plan to move an organization from Salesforce Classic to Lightning Experience. - It involves three phases: Discovery (days -60 to -45) to evaluate readiness; Rollout (days -45 to 0) to enable champions, implement change management, and convert configurations; and Optimize (day 0 onward) to promote adoption and keep users in Lightning Experience. - Key activities include evaluating features, planning the rollout, aligning stakeholders, enabling champions, training users, promoting Lightning-only features, converting configurations, going live, and tracking adoption over time.