Yarn install instruction (#21234)

diff --git a/README.md b/README.md
index d7ec6a47016b027803853afc80ee2a74f49b5355..9635d759f8d83e935343a9ca90b5211534b8a3bc 100644 (file)
--- a/README.md
+++ b/README.md
@@ -34,6 +34,7 @@ Several quick start options are available:
 - [Download the latest release.](https://github.com/twbs/bootstrap/archive/v4.0.0-alpha.5.zip)
 - Clone the repo: `git clone https://github.com/twbs/bootstrap.git`
 - Install with [npm](https://www.npmjs.com): `npm install bootstrap@4.0.0-alpha.5`
+- Install with [yarn](https://github.com/yarnpkg/yarn): `yarn add bootstrap@4.0.0-alpha.5`
 - Install with [Meteor](https://www.meteor.com): `meteor add twbs:bootstrap@=4.0.0-alpha.5`
 - Install with [Composer](https://getcomposer.org): `composer require twbs/bootstrap`
 - Install with [Bower](https://bower.io): `bower install bootstrap#v4.0.0-alpha.5`