Cubion FAQ
Answers to the most common questions about the Cubion Minecraft launcher, modpacks, performance, safety, and more.
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What is Cubion?
Cubion is a third-party Minecraft launcher for Java Edition that uses the official Microsoft / Mojang login. It's designed for players who own a legitimate copy of Minecraft and want an easier way to play with mods and modpacks. With Cubion you get: one-click modpacks and mods from CurseForge and Modrinth; secure, official-only login; smart crash recovery; and Cubion AI recommendations.
Is Cubion free?
Yes. Cubion is free to download and use, and the launcher is ad-free. Development is funded via non-intrusive means, not by selling your data.
Which operating systems does Cubion support?
Cubion is currently available on Windows 10+ (version 0.0.5: installer and portable). macOS and Linux builds are temporarily unavailable while we prepare the next releases.
Where should I download Cubion right now?
Use the official Windows download page at cubion.io/downloads/windows. If you are on macOS or Linux, check cubion.io/downloads for current platform status updates.
Do I need to own Minecraft to use Cubion?
Yes. Cubion is designed for players who own an official copy of Minecraft: Java Edition and does not support cracked or offline accounts.
Is Cubion safe to use?
Cubion uses the official Microsoft / Mojang sign-in flow and never asks you for your password directly. We do not support cracked accounts, which keeps your account safer and aligned with Mojang / Microsoft policies.