How to Install Yarn in MacOs/Ubuntu/Windows? - GeeksforGeeks

05 Oct, 2021
Prerequisite: Difference between npm and yarn
Yarn in layman’s term is a package manager that can be used in your code or a project that is currently being built, what yarn does is it helps to share the code with fellow mates or within a community of developers, and they can even run the project that we are building on their end. 
But how actually is that code shared with other people, well that’s done by sharing the code files that are used to develop the project and with a package.json file, and this package.json file describes what all yarn package is used in the project, also which are required with its version used while developing the project. So, what the other fellow mate can do is install yarn on his/her machine and do 
yarn install 
To install all the dependencies and packages required to get started with the project.
Method 1: Using NPM.
In the OS X terminal you need to type:
npm install --global yarn
NOTE: You will need to have NPM (Node package manager pre-installed on the pc)
If some error comes you need to give admin privileges to the terminal so that it can access npm already installed on your pc.
installing yarn using npm on macOS
Method 2: Using HomeBrew Package Manager:
brew install yarn
Method 3: Using curl:
You need to type the following command in the terminal
curl -o- -L https://yarnpkg.com/install.sh | bash
NOTE: the above command works for both Linux and macOS.
Method 1: Using npm manager.
It’s valid to use the standard method to install with npm, using the following commands in the terminal
npm install --global yarn
Method 2: Using curl.
Step 1: You can install it with the Debian package repository by first configuring the repository first using the following commands.
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
Demo of the above 2 commands
Step 2: And then once after successful install of the above command use
sudo apt install yarn
installing yarn and checking the version installed
Method 1: Using msi file.
Using the .msi file which can be downloaded from here (from the official yarn-site)
Source: yarn official site
Method 2: Using chocolatey package manager.
Step 1: Install choco package in your windows, for that you need to go here.
Basically, you need to type the following command shown below with administrative privileges
Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString(‘https://chocolatey.org/install.ps1’))
Step 2: After installing head over to PowerShell and follow the instructions below.
Open up the windows PowerShell or any preferable terminal and type the following command
choco install yarn
Yarn installation 
Successful install of yarn
Step 1: Using RPM package manager type the following command in the terminal.
curl --silent --location https://dl.yarnpkg.com/rpm/yarn.repo | sudo tee /etc/yum.repos.d/yarn.repo
Step 2: After performing the above steps type the following commands in the terminal
curl --silent --location https://rpm.nodesource.com/setup_12.x | sudo bash -
Step 3: At last, type the following to install yarn completely in the machine
sudo yum install yarn
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