The fastest way to change your Minecraft version

Open the Minecraft Launcher, click the three horizontal lines (menu icon) in the top left corner, then select Installations. Find the installation you want to use, click the three dots next to it, and choose Edit. In the Version dropdown, select the version you want to play — Java Edition shows release versions, snapshots, and older builds. Click Save, then launch the game from the main screen by clicking Play next to that installation's name.

The launcher stores different versions separately, so switching between them does not delete your worlds or settings. Each installation can point to a different version, meaning you can have one set up for the latest release and another for an older version without conflict.

Key Takeaways

  • The Minecraft Launcher's Installations tab lets you create separate setups for different versions without losing your worlds.
  • You can run the latest release, older versions, and snapshots (test builds) by selecting them in the Version dropdown when you edit an installation.
  • Switching versions does not delete your save files, but mods installed for one version may not work in another.
  • If you want to play the same world in two different versions, copy your world folder before switching, since some versions cannot read newer world files.

Creating a separate installation for each version

If you play multiple versions regularly, create a new installation for each one instead of switching back and forth. Open the Launcher, go to Installations, and click Create New. Give it a name like "1.20.1" or "Latest Snapshot", choose the version from the dropdown, and click Create. The launcher will download that version automatically.

This approach keeps your mods, resource packs, and settings separate for each version. A mod built for version 1.19 will not work in 1.20, so having separate installations prevents crashes and confusion. You can also set different Java settings (memory, arguments) for each installation if one version runs slowly on your computer.

Understanding version types: releases, snapshots, and older builds

The Version dropdown shows three categories. Releases are the stable versions Minecraft officially supports — these are what most players use and what servers typically run. Snapshots are test builds released weekly before a major update; they contain new features but may have bugs. Older versions go back years and let you play builds from 2009 onward, though very old versions may not run on modern computers.

Snapshots are useful if you want to test new features early or if a mod developer needs you to test their work on an upcoming version. Older versions are for nostalgia or for playing on servers that have not updated. Be aware that snapshots can corrupt worlds, so never use a snapshot to play a world you care about — always make a backup first.

Moving your worlds between versions

Your world files live in a folder called .minecraft (on Windows and Linux) or Library/Application Support/minecraft (on Mac). Inside that folder, the saves folder holds all your worlds. If you want to play the same world in a different version, locate the world folder by name, copy it, and paste it into the saves folder of the installation running the other version.

Newer versions can usually read worlds from older versions, but older versions cannot read worlds created in newer versions. If you create a world in 1.20 and try to open it in 1.19, Minecraft will refuse to load it. Always test on a copy first — copy the world folder, try loading it in the older version, and only delete the copy if it works.

Troubleshooting version switching problems

If the launcher does not show the version you want, click Installations, then look for a link that says Show all versions or similar (the exact wording varies by launcher version). This reveals snapshots and older builds that are hidden by default. If a version fails to download, delete the installation and create a new one — the launcher will re-download the files.

If a world crashes when you load it in a new version, the world file may be corrupted or incompatible. Try loading a different world in that version to confirm the version itself works. If other worlds load fine, the problem is specific to that world file, and you may need to restore from a backup or accept that world cannot be opened in that version.

Mods and resource packs when changing versions

Mods and resource packs are stored in the installation folder, not in your world files, so they stay with the version you installed them for. If you switch to a different version and the mods are not there, that is normal — you need to install them again for the new version. Download the version-specific file from the mod's website and place it in the mods folder of the installation you want to use.

Many popular mods are available for multiple versions, but not all. Before switching to an older version, check whether your favorite mods support it. Some modders only update for the latest release, so moving to an older version may mean losing access to those mods.

Frequently Asked Questions

Will switching versions delete my worlds?

No. Your worlds are stored separately from the version files, so changing versions does not affect them. You can switch back to an older version later and your worlds will still be there. However, if you load a world in a newer version and then try to open it in an older version, the older version may not be able to read it.

Can I play on a server running a different version than my launcher?

Only if your client version matches the server version. If a server runs 1.19.2 and you are on 1.20, you cannot join. Create an installation for 1.19.2, launch it, and then connect to the server. The launcher makes this easy because you can have multiple versions ready to go.

What is the difference between a snapshot and a release?

Snapshots are test builds released weekly and may contain bugs or unfinished features. Releases are stable versions that have been tested and are safe to play on. Use snapshots only if you want to test new content — never use them for worlds you want to keep long-term.

Do I need to uninstall Minecraft to switch versions?

No. The launcher handles all versions without uninstalling anything. You just select the version you want in the Installations tab and click Play. Uninstalling is never necessary for version switching.

Why does my old world look different in a newer version?

Minecraft changes how terrain generates, how blocks look, and how lighting works with each major update. A world created in 1.12 will have outdated terrain and block textures when opened in 1.20. The world is not broken — it is just showing the differences between versions. New chunks generated in the newer version will use the new terrain and textures.