Overview changedoverview
Nearest release: v2.1.293, published under an hour before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 7 Oct 2026 17:28 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 7 Oct 2026 17:37 UTC.
Upstream edited
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14 Aug 2026
this site's first read of the page
Recorded edits20to this page, all time
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/
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2222 curl -fsSL https://claude.ai/install.sh | bash
2323 ```
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25 On Windows, your prompt shows `PS C:\` when you're in PowerShell and `C:\` without the `PS` when you're in CMD.
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2527 **Windows PowerShell:**
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2729 ```powershell theme={null}
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3739 When the installer finishes, open a new terminal window and run `claude --version`. A working installation prints a version number. If your shell says `claude` isn't found or isn't recognized, the install directory isn't on your PATH yet: see [Fix your PATH](/docs/en/troubleshoot-install#command-not-found-claude-after-installation).
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39 If you see `The token '&&' is not a valid statement separator`, you're in PowerShell, not CMD. If you see `'irm' is not recognized as an internal or external command`, you're in CMD, not PowerShell. Your prompt shows `PS C:\` when you're in PowerShell and `C:\` without the `PS` when you're in CMD.
41 If you see `The token '&&' is not a valid statement separator`, you're in PowerShell, not CMD. If you see `'irm' is not recognized as an internal or external command`, you're in CMD, not PowerShell.
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41 If the install command fails with `syntax error near unexpected token '<'`, a `403`, or another curl error, see [Troubleshoot installation](/docs/en/troubleshoot-install#find-your-error) to match the error to a fix and for alternative install methods.
43 If the install command fails with `syntax error near unexpected token '<'`, a `403`, or any other error, see [Troubleshoot installation](/docs/en/troubleshoot-install#find-your-error) to match the error to a fix and for alternative install methods.
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4345 [Git for Windows](https://git-scm.com/downloads/win) is recommended on native Windows so Claude Code can use the Bash tool. If Git for Windows is not installed, Claude Code uses PowerShell as the shell tool instead. WSL setups do not need Git for Windows.
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7981 claude
8082 ```
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82 You'll be prompted to log in on first use. If you've set the `ANTHROPIC_API_KEY` environment variable, Claude Code skips the login prompt and asks you to approve the key instead. That's it! [Continue with the Quickstart →](/docs/en/quickstart)
84 Claude Code prompts you to log in on first use. If you've set the `ANTHROPIC_API_KEY` environment variable and you approve the key when Claude Code asks whether to use it, Claude Code skips the login prompt. [Continue with the Quickstart →](/docs/en/quickstart)
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8486 <Tip>
8587 See [advanced setup](/docs/en/setup) for installation options, manual updates, or uninstallation instructions. Visit [installation troubleshooting](/docs/en/troubleshoot-install) if you hit issues.
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