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# Welcome to Dat!
Dat has a Desktop client, a commandline tool, and a Node.js library. If you'd like to read about how dat works, please [read how it works](/concepts) and if you're still hungry for more learning, [read the Dat paper](https://github.com/datproject/docs/blob/master/papers/dat-paper.pdf).
Have questions or need some guidance? You can chat with us in IRC on [#dat](http://webchat.freenode.net/?channels=dat) or [Gitter](https://gitter.im/datproject/discussions?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)!
## Desktop Application
If you don't want to use the terminal, you can use our desktop application on Mac or Linux (Windows coming soon).
| Platform | Link |
|---------|-------------------|
| Mac | [Download .dmg](http://datproject.github.io/dat-desktop/mac) |
| Linux | [Download .AppImage](http://datproject.github.io/dat-desktop/linux) |
| Windows | Coming Soon |
## In the Terminal
Dat can be installed in the terminal using `node`. Follow the instructions below to get started.
1. **Install Node.** Dat requires Node version 4.0 or higher; however, we recommend the latest version. If you don't have node, [go to their website at nodejs.org and pick your platform.](https://nodejs.org/en/download/) If node is installed, you should be able to type the following to see which version you have:
```
$ node -v
8.0.0
```
2. **Install Dat.** Dat is distributed using `npm`, the package manager for Node.js. Type the following command to install dat:
```
npm install -g dat
```
If dat was installed successfully, you might see output like this (on npm 5.0.0):
```
/usr/local/bin/dat -> /usr/local/lib/node_modules/dat/bin/cli.js
> utp-native@1.5.1 install /usr/local/lib/node_modules/dat/node_modules/utp-native
> node-gyp-build
> sodium-native@1.10.0 install /usr/local/lib/node_modules/dat/node_modules/sodium-native
> node-gyp-build "node preinstall.js" "node postinstall.js"
added 321 packages in 9.662s
```
If you receive an `EACCES` error, read [this guide on fixing npm permissions](https://docs.npmjs.com/getting-started/fixing-npm-permissions) or use `sudo npm install -g dat`.
If you're still having trouble installing dat, see the [troubleshooting section](/troubleshooting), [open an issue on Github](https://github.com/datproject/dat/issues/new), or [ask us a question in our chat room](https://gitter.im/datproject/discussions).
## Next Steps
You're all set! [Go on to the next page to start sharing data](/tutorial).
|
