# Installation ## Check your environment Prior to installing Embark, you should have the following prerequisites on your machine: #### NodeJS 8.10+ ``` node version ``` #### IPFS 0.4.15+ ``` ipfs version ``` #### Go-ethereum 1.8.11+ ``` geth version ``` ## Installing Embark 3.1.6 If you already have Embark installed, please run: ``` embark version ``` Make sure the version is `3.1.6`. If it’s not, re-install Embark by running: ``` npm uninstall -g embark npm install -g embark ``` > Do not use sudo when installing Embark Re-run `embark version` to ensure we have `3.1.6`. If you have not installed Embark at all, Embark can be installed by running `npm install -g embark` (without sudo)