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# @puppeteer/browsers
Manage and launch browsers/drivers from a CLI or programmatically.
## System requirements
- A compatible Node version (see `engines` in `package.json`).
- For Firefox downloads:
- Linux builds: `xz` and `bzip2` utilities are required to unpack `.tar.gz` and `.tar.bz2` archives.
- MacOS builds: `hdiutil` is required to unpack `.dmg` archives.
## CLI
Use `npx` to run the CLI:
```bash
# This will install and run the @puppeteer/browsers package.
# If it is already installed in the current directory, the installed
# version will be used.
npx @puppeteer/browsers --help
```
Built-in per-command `help` will provide all documentation you need to use the CLI.
```bash
npx @puppeteer/browsers --help # help for all commands
npx @puppeteer/browsers install --help # help for the install command
npx @puppeteer/browsers launch --help # help for the launch command
npx @puppeteer/browsers clear --help # help for the clear command
npx @puppeteer/browsers list --help # help for the list command
```
You can specify the version of the `@puppeteer/browsers` when using
`npx`:
```bash
# Always install and use the latest version from the registry.
npx @puppeteer/browsers@latest --help
# Always use a specifc version.
npx @puppeteer/browsers@2.4.1 --help
# Always install the latest version and automatically confirm the installation.
npx --yes @puppeteer/browsers@latest --help
```
To clear all installed browsers, use the `clear` command:
```bash
npx @puppeteer/browsers clear
```
To list all installed browsers, use the `list` command:
```bash
npx @puppeteer/browsers list
```
Some example to give an idea of what the CLI looks like (use the `--help` command for more examples):
```sh
# Download the latest available Chrome for Testing binary corresponding to the Stable channel.
npx @puppeteer/browsers install chrome@stable
# Download a specific Chrome for Testing version.
npx @puppeteer/browsers install chrome@116.0.5793.0
# Download the latest Chrome for Testing version for the given milestone.
npx @puppeteer/browsers install chrome@117
# Download the latest available ChromeDriver version corresponding to the Canary channel.
npx @puppeteer/browsers install chromedriver@canary
# Download a specific ChromeDriver version.
npx @puppeteer/browsers install chromedriver@116.0.5793.0
# On Ubuntu/Debian and only for Chrome, install the browser and required system dependencies.
# If the browser version has already been installed, the command
# will still attempt to install system dependencies.
# Requires root privileges.
npx puppeteer browsers install chrome --install-deps
```
## Known limitations
1. Launching the system browsers is only possible for Chrome/Chromium.
## API
The programmatic API allows installing and launching browsers from your code. See the `test` folder for examples on how to use the `install`, `canInstall`, `launch`, `computeExecutablePath`, `computeSystemExecutablePath` and other methods.