How to Fix Java Not Opening JAR Files (Quick Fix 2025)

Java installed but your .jar files won’t open? This quick and simple guide shows how to solve the problem fast – no coding required! ✅ In this video: Set Java as default for JAR files Run JAR files via CMD Fix Java path issues Works on Windows 10 & 11 Perfect for beginners (2025 edition) 🔍 Keywords: jar file won’t open, java not running jar, fix jar windows, open jar file 2025, java jar file problem, jar file double click fix 📬 Business Inquiries: 📩 [email protected]