The game crashes when I try to use world preview mod and I don't know how to update java.

Then learn? Also that people can't help you without the error message or without more context

World Preview Mod Not Working

CyanWes

SuperSandshrew8

YUMmy_Bacon5

6lp4vpzw

Gaming_64

grnts8

Minecraft: Java Edition Category Extensions

mysticsheep

TwistedLS

Spleefies

AutisTayo

bangerhund

Diamond

Cake

Golden Apple

Emerald

Structures

No Structures

Wither

Elder Guardian

All Bosses

1.10

1.11

1.12

1.13

1.14 Easy

Normal

Hard

Hardcore

1.8.9

1.12.2

1.14.2

1.7.2

1.14.4

1.14.3

1.13.2

1.5.2

1.8.8 No F3

1.7.9

1.2.1

1.2.2

1.2.3

1.2.4

1.2.5

1.7.10

1.3.1

1.3.2

1.4.2

1.4.4

1.4.5

1.4.6

1.4.7

1.5.1

1.6.1

1.6.2

1.6.4

1.7.4

1.7.5

1.7.6

1.7.7

1.7.8

1.8.1

1.8.2

1.8.3

1.8.4

1.8.5

1.8.6

1.8.7

1.9.1

1.9.2

1.9.3

1.9.4

1.10.1

1.10.2 Item

Structures (Obtain Item)

Boss

Seed Type (Kill Bosses)

Seed Type (Enter Nether)

Seed Type (All Swords)

Seed Type (All Woods)

Seed Type (All Wool)

Seed Type (Full Iron 15 Levels)

Seed Type (HDWGH)

Version

Difficulty

Structures (Enter Nether)

Structures (All Swords)

Structures (Full Iron 15 Levels)

Seed Type (All Minerals)

Structures (All Minerals)

Version Range (All Bosses)

Mods

Seed Type (Hero of the Village)

Seed Type (All Workstations)

Seed Type (Full Inventy!)

Structures (Full Inventy!)

Version Range (All Swords)

Version Range (All Minerals)

Version Range (All Wood Logs)

Seed Type (Enter End)

Seed Type (Arbalistic)

Item (Glitched)

Seed Type (Enter Nether (Glitched))

Seed Type (All Wool (Glitched))

Seed Type (Full Iron + 15 Levels (Glitched))

Structures (Full Iron Armor + 15 Levels (Glitched))

Seed Type (Obtain Item)

Seed Type (All Swords (Glitched))

Structures (Arbalistic)

Seed Type (All Versions)

Version Range

Difficulty (All Versions)

Seed Type (Sonic, Tails, and Knuckles)

Seed Type (20w14∞)

Seed Type (Mine a Chunk)

Dimension (Mine a Chunk)

Seed Type (Stack of Lime Wool)

Seed Type (All Portals)

Version Range (Filtered Seed Glitchless)

Player Count (Mine a Chunk)

Subcategory (15w14a)

Seed Type (15w14a)

Version Range (Half%)

Seed Type (Half%)

Player Count (Filtered Seed Glitchless)

Version Range (All Wool)

/seed (SRG)

Seed Type (Pride%)

Seed Type High%

Version Range (HDWGH)

Version Range (All Portals)

Seed Type (Cover Me in Debris)

Structures (Cover Me in Debris)

Version (Enter Nether)

Version Range (Mine a Chunk)

## Rules v4 Release

View the current version of the rules document at **https://www.minecraftspeedrunning.com/public-resources/rules**

Summary:

- ([#6](<https://github.com/Minecraft-Java-Edition-Speedrunning/rules/issues/6>)) Formally banned boat desync abuse in glitchless (exiting a boat on the 

Rules v4

Rules v2

Official Rewritten Rules

Minecraft

Please request new categories in #category-submissions on the discord

Rules Update (Providing Seed)

Poll: Allow Dungeons And Nether Fortresses (1.0-1.7.10) in categories with No Generated Structures.