The purposes of this research were to create project-based learning (PjBL) activities and to improve the students' 4Cs skills using PjBL. The 4Cs of the learning skills assessment test and a record of student behavior serve as research tools. The mean and percentage are the statistics that were employed in the study. The results demonstrate that: (1) students possess the 4Cs skills that passed the 70% criteria: communication skills (83.33%), critical thinking skills (70.83%), creativity skills (80.56%), and collaboration skills (85.42%). The examination of PjBL methodologies, with strongly suitable from three experts, includes step 1. Compose, step 2. Clarify, step 3. Comprehend, and step 4. Come Together.