This article analyzed the existing relationships between the variables present in the Unified Theory of Acceptance and Use of Technology - UTAUT, in the context of using the social network Facebook as a technology to support studies among students of the Undergraduate Course in Business Administration at the Federal Institute of Espírito Santo IFES - Guarapari Campus. To achieve its purpose, after collecting quantitative data, structural equation modeling was used as an analysis tool using the method of Partial Least Squares - PLS-SEM. The results obtained demonstrated that there is an intention of use behavior by the students around 63%, where the constructs Anxiety, Attitudes and Performance Expectations were described as acceptable in the adapted UTAUT model.