Fix “java.lang.OutOfMemoryError: Java Heap Space” in Minecraft Java | 2025 RAM Allocation Guide!
Are you getting the "java.lang.OutOfMemoryError: Java Heap Space" crash in Minecraft Java Edition? 😓 Don’t worry! In this video, I’ll show you how to easily allocate more RAM to Minecraft and fix this error step-by-step in 2025.
This is perfect for modded Minecraft, low RAM systems, or players running Shaders, OptiFine, or large modpacks.
📌 What You’ll Learn:
Why you're getting this heap space error
How to safely increase Minecraft RAM using the Launcher
Recommended RAM settings based on your PC specs
Bonus: How to boost performance with JVM arguments
🧠 Works With:
Minecraft Java Edition (Latest Version)
CurseForge, ATLauncher, Technic, & other modpack launchers
Windows 10 & Windows 11
📌 JVM ARGUMENT USED:
-Xmx4G -Xms2G
(Adjust based on your RAM availability. Full explanation in video.)
💬 Drop a comment if you're unsure how much RAM to allocate or if you're still having crashes!
👍 Like the video if it helped
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