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  • Introduction
  • 🏔️Ecosystem
    • Wasmer Runtime
      • Getting Started
      • CLI Usage
      • Wasmer Features
      • Building from Source
        • Testing
    • WAPM
      • Getting Started
      • Publishing your Package
      • wax
      • Manifest
      • CLI Usage
      • GraphQL API
    • WebAssembly.sh
    • Wasienv
      • Getting Started
      • Compile C/C++ to Wasm WASI
      • Compile Swift to Wasm WASI
  • 🔧Language Integrations
    • Rust
      • Setup your Rust environment
      • Wasmer Rust API
    • C/C++
      • Setup your C/C++ environment
      • Wasmer C API
    • Javascript
      • WASI
        • Browser
          • Examples
            • Hello World
            • Transforming Modules
            • Handling Input and Output
        • Server
          • Examples
            • Hello World
            • Transforming Modules
      • Wasmer-JS CLI
      • Module Transformation
      • Wasmer JS Reference API
        • @wasmer/wasi
        • @wasmer/wasm-transformer
        • @wasmer/wasm-terminal
        • @wasmer/wasmfs
      • Wasmer-JS on Github
    • Go
      • Setup your Go environment
      • Wasmer Go API
    • Examples
      • Instantiating a Wasm module
      • Imports & exports
      • Calling guest functions
      • Exposing host functions
      • Using exported globals
      • Interacting with memory
      • Handling Errors
      • Interrupting Execution
      • Using memory pointers
  • 👥Community
    • Built with Wasmer
    • Wasmer Twitter
    • Wasmer Slack
    • Wasmer Blog
    • Wasmer on Github
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  1. Ecosystem
  2. Wasmer Runtime

Getting Started

PreviousWasmer RuntimeNextCLI Usage

Last updated 4 years ago

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You can install the Wasmer Standalone runtime by following the instructions below:

If you haven't done so already, install the Wasmer Command Line Interface (CLI) for macOS/Linux:

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

Or you can use this PowerShell command if you are in Windows:

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

Note: All Wasmer executables can be found on out .

Once the Wasmer CLI is installed, you can run Wasm modules from the command line!

To do this, you want to find a Wasm Module compiled down to an ABI that the Wasmer runtime supports, such as WASI or Emscripten. For instance, we can search for a module on WAPM, and go to the module page, and then click on the "Browse modules" tab.

In this example, we will be using compiled to WebAssembly. To do this we , and then run:

wasmer qjs.wasm

Which should bring up the QuickJS prompt which you can then interact with. See an example below:

Next, we can take a look at the command line flags and arguments for the CLI, for more advanced usage.

🏔️
Github Releases Page
QuickJS
download the module from WAPM