|
| 1 | +--- |
| 2 | +hidden: true |
| 3 | +--- |
| 4 | + |
| 5 | +# How to Install: MultiMC |
| 6 | + |
| 7 | +[MultiMC](https://multimc.org/) does not support automatic updates by default. However, FO has developed a custom MultiMC pack to perform updates automatically. Read more about the [MultiMC auto-updating pack](multimc.md#how-does-it-work) |
| 8 | + |
| 9 | +{% hint style="info" %} |
| 10 | +You may also want to use one of the other [launchers supported by FO](./), which offer easier installation, updates and mod management. |
| 11 | +{% endhint %} |
| 12 | + |
| 13 | +{% tabs %} |
| 14 | +{% tab title="Automatic Updates (recommended)" %} |
| 15 | +1. Download and install [Java 21](https://download.fo/java21) |
| 16 | +2. Download FO's MultiMC pack for your preferred Minecraft version from [GitHub Releases](https://github.com/Fabulously-Optimized/fabulously-optimized/releases): |
| 17 | + * [`1.21.4`](https://github.com/Fabulously-Optimized/fabulously-optimized/releases/download/v6.5.0-alpha.1/Fabulously.Optimized.MC.1.21.4.auto-update.zip) |
| 18 | + * [`1.21.3`](https://github.com/Fabulously-Optimized/fabulously-optimized/releases/download/v6.4.0-alpha.5/Fabulously.Optimized.MC.1.21.3.auto-update.zip) |
| 19 | + * [`1.21.1`](https://github.com/Fabulously-Optimized/fabulously-optimized/releases/download/v6.2.2/Fabulously.Optimized.MC.1.21.1.auto-update.zip) |
| 20 | + * [`1.20.6`](https://github.com/Fabulously-Optimized/fabulously-optimized/releases/download/v5.12.0-beta.11/Fabulously.Optimized.MC.1.20.6.auto-update.zip) |
| 21 | + * [`1.19.4`](https://github.com/Fabulously-Optimized/fabulously-optimized/releases/download/v4.10.0/Fabulously.Optimized.MC.1.19.4.auto-update.zip) |
| 22 | + * [`1.18.2`](https://github.com/Fabulously-Optimized/fabulously-optimized/releases/download/v3.12.2/Fabulously.Optimized.MC.1.18.2.auto-update.zip) |
| 23 | + * [`1.17.1`](https://github.com/Fabulously-Optimized/fabulously-optimized/releases/download/v3.2.3/Fabulously.Optimized.MC.1.17.1.auto-update.zip) |
| 24 | + * [`1.16.5`](https://github.com/Fabulously-Optimized/fabulously-optimized/releases/download/v3.2.3/Fabulously.Optimized.MC.1.16.5.auto-update.zip) |
| 25 | +3. If you do not want the latest version, you can find older ones in [GitHub Releases](https://github.com/Fabulously-Optimized/fabulously-optimized/releases) |
| 26 | +4. Open [**MultiMC**](https://multimc.org/) |
| 27 | +5. Drag the `zip` file and drop it inside of MultiMC's window. A window should pop up |
| 28 | +6. Click **OK** in that window. Something should happen <!-- TODO: what though?? --> |
| 29 | +7. Double-click on that window. The download should start |
| 30 | +8. If you are asked to download a mod manually: |
| 31 | + 1. Open the given address in your browser. The mod's page should open up |
| 32 | + 2. Click on **Cancel Launch** |
| 33 | + 3. Click on **Download**. A `jar` file should be downloaded |
| 34 | + 4. Go back to **MultiMC** |
| 35 | + 5. Click on the instance you just created |
| 36 | + 6. Click on **View Mods** |
| 37 | + 7. Drag the mod you downloaded in _step 8.3_ and drop it in the mod list |
| 38 | +9. Click on **Launch**. Minecraft should open up |
| 39 | +10. If you can see `Fabulously Optimized` in the bottom-right corner, you're done! |
| 40 | + |
| 41 | +## How Does It Work? |
| 42 | + |
| 43 | +The MultiMC auto-updating pack launches [`packwiz`](https://github.com/comp500/packwiz) every time it is opened. `packwiz` is a mod handling tool which will add and update any missing FO mods indicated in a `pack.toml` file. |
| 44 | + |
| 45 | +Since the update checker runs on every launch, you'll get a skippable error if you play offline. The updater only manages FO's mods, not the [mods added manually](../add-mods/multimc.md). The updater does not work across Minecraft versions, so you'll need to install it again every time. |
| 46 | + |
| 47 | +MultiMC does not natively support automatic updates of packs: see [issue #2640](https://github.com/MultiMC/MultiMC5/issues/2640) and [issue #3037](https://github.com/MultiMC/MultiMC5/issues/3057). FO chose to use `packwiz` because it is also used for the [vanilla installer](vanilla.md). |
| 48 | + |
| 49 | +Before FO 6.0.0, the MultiMC auto-updating pack was distributed on CurseForge, but that has changed for the following reasons: |
| 50 | + |
| 51 | +* CurseForge's UI for downloading the MultiMC auto-updating pack became confusing |
| 52 | +* The pack had to be re-uploaded on every update, which was often unnecessary |
| 53 | +* The pack's downloads via CurseForge [might not support FO](https://support.curseforge.com/en/support/solutions/articles/9000197898-rewards-program-terms-of-service#1.-Description-of-Rewards-Program) as previously thought |
| 54 | +* The pack proved to have unexpected issues that do not exist with other launchers |
| 55 | +{% endtab %} |
| 56 | + |
| 57 | +{% tab title="Easier Installation" %} |
| 58 | +1. Download and install [Java 21](https://download.fo/java21) |
| 59 | +2. In [**MultiMC**](https://multimc.org/), click on **Add Instance** |
| 60 | +3. Click on the **Modrinth** tab on the left |
| 61 | +4. Click on **Fabulously Optimized** |
| 62 | +5. If you do not want the latest version of FO, select the version you want from the dropdown |
| 63 | +6. Click on **OK**. Once installed, something should happen <!-- TODO: what though ?? --> |
| 64 | +7. Double-click on the icon. Minecraft should open up |
| 65 | +8. If you can see `Fabulously Optimized` in the bottom-right corner, you're done! |
| 66 | +{% endtab %} |
| 67 | +{% endtabs %} |
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