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Installing with MultiMC

Arisa/Raphtalia/Chizuru/Lily/Ashley edited this page Oct 18, 2019 · 30 revisions

Installing with MultiMC

There is a Video tutorial available too, however we recomend you still read this section thoroughly.

Then follow these installation steps

  1. Open MultiMC
  2. Create a New Instance using version the corresponding minecraft version (i.e. 1.12.2, 1.13.2 or 1.14.4), name it Impact 4.8.2
  3. Right click on instance and click Edit Instance
  4. Go to the Version tab
  5. Click Add Empty
  6. Choose name Impact 4.8.2 and uuid me.zero.clarinet.Impact
  7. Select Impact 4.8.2 and click Edit on right side
  8. Type Ctrl+A and Del to remove any exiting contents
  9. Paste the content of the corresponding drop down:
Impact 4.8.2 for 1.12.2
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    "mcVersion": "1.12.2",
    "name": "Impact 4.8.2",
    "order": 10,
    "version": "1.12.2-Impact_4.8.2",
    "+tweakers": [
        "clientapi.load.ClientTweaker",
        "baritone.launch.BaritoneTweaker"
    ],
    "+libraries": [
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        "downloads": {
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            "url": "https://github.com/ImpactDevelopment/ImpactReleases/releases/download/4.8.2-1.12.2/Impact-4.8.2-1.12.2.jar"
          }
        }
      },
      {
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        }
      }
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      "downloads": {
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          "sha1": "dc6480b5df4f275d7f07a1c86079b653606d4547",
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    },
    {
      "name": "org.spongepowered:mixin:0.7.11-SNAPSHOT",
      "downloads": {
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    {
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      "downloads": {
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Impact 4.8.2 for 1.13.2
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    "fileId": "me.zero.clarinet.Impact",
    "mainClass": "net.minecraft.launchwrapper.Launch",
    "mcVersion": "1.13.2",
    "name": "Impact 4.8.2",
    "order": 10,
    "version": "1.13.2-Impact_4.8.2",
    "+tweakers": [
        "clientapi.load.ClientTweaker",
        "baritone.launch.BaritoneTweaker"
    ],
    "+libraries": [
      {
        "name": "com.github.ImpactDevelopment:Impact:4.8.2-1.13.2",
        "downloads": {
          "artifact": {
            "path": "com/github/ImpactDevelopment/Impact/4.8.2-1.13.2/Impact-4.8.2-1.13.2.jar",
            "sha1": "6cb1029daf119b63e355035d26d0e5e34a16eed3",
            "size": 3344698,
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      {
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        "downloads": {
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      },
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      "downloads": {
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          "url": "https://libraries.minecraft.net/net/minecraft/launchwrapper/1.12/launchwrapper-1.12.jar"
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    },
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      "downloads": {
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      "name": "com.github.ZeroMemes:Alpine:1.8",
      "downloads": {
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Impact 4.8.2 for 1.14.4
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      "downloads": {
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    {
      "name": "club.minnced:discord-rpc-release:v3.3.0",
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  ]
}
  1. Save the file
  2. Click Run and you should see Impact launch 😃

If you're still having trouble using Impact, feel free to join our Discord 😃

Never mind, our Discord server has been terminated. lol

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