Install Wasmer

Run Wasmer as a standalone CLI or embed the Runtime in a JavaScript or Python application with an SDK.

Unix (macOS, Linux):


curl https://get.wasmer.io -sSfL | sh

Or, to install a specific version:


curl https://get.wasmer.io -sSfL | sh -s "v7.3.0"

Other installation methods are available here: https://github.com/wasmerio/wasmer-install

Is Wasmer up to date?

Wasmer updates very frequently. If you have installed Wasmer some time ago, chances are your Wasmer version is out of date. Get the latest version of Wasmer by running:


wasmer self-update

PowerShell (Windows):


iwr https://win.wasmer.io -useb | iex

Or, to install a specific version:


$v="v7.3.0"; iwr https://win.wasmer.io -useb | iex

Other installation methods are available here: https://github.com/wasmerio/wasmer-install

Is Wasmer up to date?

Wasmer updates very frequently. If you have installed Wasmer some time ago, chances are your Wasmer version is out of date. Get the latest version of Wasmer by running:


wasmer self-update

npm:


npm install @wasmer/sdk

pnpm:


pnpm add @wasmer/sdk

Import @wasmer/sdk/node in Node.js or @wasmer/sdk/browser in a browser. Continue with the JavaScript SDK guide.


python -m pip install wasmer-sdk

Continue with the Python SDK guide.