

To get the full performance, you must edit the JVM arguments. Open the launcher > Installations > OptiFine > More Options > JVM Arguments. Replace the existing text with:
Opticraft is generally stable and compatible with Windows 7. However, some users may experience performance issues or crashes, especially if they have complex contraptions or large worlds.
If you prefer the Java Edition, the official Minecraft Download Page still offers a specific "Download for Windows 7/8" launcher that is more stable for older OS versions.



To get the full performance, you must edit the JVM arguments. Open the launcher > Installations > OptiFine > More Options > JVM Arguments. Replace the existing text with:
Opticraft is generally stable and compatible with Windows 7. However, some users may experience performance issues or crashes, especially if they have complex contraptions or large worlds.
If you prefer the Java Edition, the official Minecraft Download Page still offers a specific "Download for Windows 7/8" launcher that is more stable for older OS versions.