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# Installation
## Check your environment
Prior to installing Embark, you should have the following prerequisites on your machine:
#### NodeJS 8.10+
```
node version
> 8.10+
```
If you need to update Node, please [install `nvm` ](https://github.com/creationix/nvm#installation ) and install/use the LTS version. macOS/Linux commands provided for you below:
```
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash
nvm install --lts
nvm use lts
```
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#### IPFS 0.4.17+
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```
ipfs version
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> 0.4.17+
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```
[IPFS installation instructions ](https://ipfs.io/docs/install/#installing-from-a-prebuilt-package ), macOS/Linux command provided for you below:
```
tar xvfz go-ipfs.tar.gz
cd go-ipfs
./install.sh
ipfs init
```
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#### Go-ethereum 1.8.15+
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```
geth version
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> 1.8.15+
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```
If you need to [install `geth` ](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum ), you can use the below for macOS:
```
brew tap ethereum/ethereum
brew install ethereum
```
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## Installing Embark 3.2.2
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If you already have Embark installed, please run:
```
embark version
```
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Make sure the version is `3.2.2` . If it’
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```
npm install -g embark
```
> Do not use sudo when installing Embark
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Re-run `embark version` to ensure we have `3.2.2` .
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If you have not installed Embark at all, Embark can be installed by running
`npm install -g embark` (without sudo)
