This study investigates the factors influencing the adoption of digital library systems among undergraduate students in federal universities in South-West, Nigeria.Focusing on institutional support measures such as resource support, technical support, management support, and training and development support, the research aims to identify barriers and facilitators affecting students' use with digital libraries. Despite the availability of these resources, many students continue to rely on traditional libraries. Descriptive research was employed with proportionate stratified random sampling across six universities using the Krejcie and Morgan sample size guide with 3.84 undergraduates from Federal Universities in South-West, Nigeria. Data were analyzed using descriptive and inferential statistics. Results indicated significant influences: Resource support with weighted mean of 2.87, management support (2.87), training & development (2.86), Technical support (2.86) and Institutional support high and positive correlation (R = 0.752), coefficient of determination (Adj. R 2 = 0.564), level of confidence (B = 0.726, p < 0.05). Thealongside challenges related to institutional support and use of digital library system with existing academic practices. The study concludes with recommendations for educational institutions, librarians, and policymakers to enhance digital library accessibility and user engagement. By addressing these factors, universities can better support students in maximizing the potential of digital resources for their academic success.