To become an Application Support Specialist, start by earning a degree in Computer Science, IT, or a related field. Build strong technical skills in databases, operating systems, and software troubleshooting. Learn scripting languages and gain hands-on experience with common enterprise applications. Strong communication, problem-solving, and analytical skills are essential. Consider certifications like ITIL or Microsoft support tools. Internships or entry-level IT roles can provide valuable experience. With the right skills and training, you can support business-critical applications and grow in this rewarding IT role.