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---
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layout: docs
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title: Download
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description: Download Bootstrap's compiled CSS and JavaScript, source code, or include it with your favorite package manager.
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group: getting-started
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---
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**Bootstrap v{{ site.current_version}}** is available for download in several ways, including some of your favorite package managers. Choose from the options below to snag just what you need.
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### Source files
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Download everything: source Sass, JavaScript, and documentation files. **Requires a Sass compiler, [Autoprefixer](https://github.com/postcss/autoprefixer), [postcss-flexbugs-fixes](https://github.com/luisrudge/postcss-flexbugs-fixes), and [some setup]({{ site.baseurl }}/getting-started/build-tools/#tooling-setup).**
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< a href = "{{ site.download.source }}" class = "btn btn-bs btn-outline" onclick = "ga('send', 'event', 'Getting started', 'Download', 'Download source');" > Download source< / a >
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## Package managers
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Pull in Bootstrap's **source files** into nearly any project with some of the most popular package managers. No matter the package manager, Bootstrap will **require a Sass compiler, [Autoprefixer](https://github.com/postcss/autoprefixer), and [postcss-flexbugs-fixes](https://github.com/luisrudge/postcss-flexbugs-fixes)** for a setup that matches our official compiled versions.
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{% callout warning %}
**Heads up!** Not all package managers have the v4 alpha published yet, but we should have them up shortly!
{% endcallout %}
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### npm
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Install Bootstrap in your Node powered apps with [the npm package ](https://www.npmjs.org/package/bootstrap ):
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{% highlight bash %}
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npm install bootstrap@{{ site.current_version }}
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{% endhighlight %}
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`require('bootstrap')` will load all of Bootstrap's jQuery plugins onto the jQuery object. The `bootstrap` module itself does not export anything. You can manually load Bootstrap's jQuery plugins individually by loading the `/js/*.js` files under the package's top-level directory.
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Bootstrap's `package.json` contains some additional metadata under the following keys:
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- `sass` - path to Bootstrap's main [Sass ](http://sass-lang.com/ ) source file
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- `style` - path to Bootstrap's non-minified CSS that's been precompiled using the default settings (no customization)
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### RubyGems
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Install Bootstrap in your Ruby apps using [Bundler ](https://bundler.io/ ) (**recommended**) and [RubyGems ](https://rubygems.org/ ) by adding the following line to your [`Gemfile` ](https://bundler.io/gemfile.html ):
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{% highlight ruby %}
gem 'bootstrap', '~> 4.0.0.alpha3'
{% endhighlight %}
Alternatively, if you're not using Bundler, you can install the gem by running this command:
{% highlight bash %}
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gem install bootstrap -v 4.0.0.alpha3
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{% endhighlight %}
[See the gem's README ](https://github.com/twbs/bootstrap-rubygem/blob/master/README.md ) for further details.
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### Meteor
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{% highlight bash %}
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meteor add twbs:bootstrap@={{ site.current_version }}
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{% endhighlight %}
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### Composer
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You can also install and manage Bootstrap's Sass and JavaScript using [Composer ](https://getcomposer.org ):
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{% highlight bash %}
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composer require twbs/bootstrap:{{ site.current_version }}
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{% endhighlight %}
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### Bower
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Install and manage Bootstrap's Sass and JavaScript using [Bower ](https://bower.io ).
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{% highlight bash %}
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bower install bootstrap#v{{ site.current_version }}
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{% endhighlight %}
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### NuGet
If you develop in .NET, you can also install and manage Bootstrap's [CSS ](https://www.nuget.org/packages/bootstrap/ ) or [Sass ](https://www.nuget.org/packages/bootstrap.sass/ ) and JavaScript using [NuGet ](https://www.nuget.org ):
{% highlight powershell %}
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Install-Package bootstrap -Pre
{% endhighlight %}
{% highlight powershell %}
Install-Package bootstrap.sass -Pre
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{% endhighlight %}
The `-Pre` is required until Bootstrap v4 has a stable release.
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{% comment %}
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## Custom builds
Need only a part of Bootstrap's CSS or JS? Use one of the custom builds to snag just what you need.
< div class = "row" >
< div class = "col-sm-4" >
< h3 > Reboot< / h3 >
< p > Includes variables/mixins, Normalize, and Reboot. No JavaScript.< / p >
< a class = "btn btn-bs btn-outline" href = "#" > Download< / a >
< / div >
< div class = "col-sm-4" >
< h3 > Grid only< / h3 >
< p > Includes variables/mixins and our grid system. No JavaScript.< / p >
< a class = "btn btn-bs btn-outline" href = "#" > Download< / a >
< / div >
< div class = "col-sm-4" >
< h3 > Flexbox< / h3 >
< p > All of Bootstrap with flexbox enabled and < strong > lower browser support< / strong > .< / p >
< a class = "btn btn-bs btn-outline" href = "#" > Download< / a >
< / div >
< / div >
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{% endcomment %}