Claude Code

Run a terminal-based agent that can build and change files step by step.

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What you need

Use a paid Claude account and a supported terminal. The native installer is self-contained. Follow the official Claude Code installation guide for current requirements.

How to install

Windows: open a normal PowerShell window and run irm https://claude.ai/install.ps1 | iex.
macOS: open Terminal and run curl -fsSL https://claude.ai/install.sh | bash.
Close and reopen the terminal, then run claude --version and claude doctor.
On Windows, start from a short local working folder such as C:\ai, outside Documents and OneDrive.

Nuances

Claude Code no longer needs Node or Git, and its native installer does not need administrator rights. Git for Windows is optional but useful; without it Claude Code uses PowerShell.
Native Windows is supported and WSL is not required. Sandboxing is not available on native Windows; use WSL 2 only when your IT policy or Linux toolchain requires it.
The Windows installer supports Windows 10 1809 or later, installs to %USERPROFILE%\.local\bin\claude.exe and does not need an elevated terminal.
On Windows, keep your working folder short and local, such as C:\ai, outside Documents and OneDrive. Keep CLAUDE_CONFIG_DIR local too.

If it will not work

If claude is not found, fully close and reopen the terminal before trying anything else.
If Git is installed but not detected, point CLAUDE_CODE_GIT_BASH_PATH at the Git Bash executable.
If Claude reports a write as successful but no file appears, move the project to a short local path and confirm Windows long paths are enabled.
If the installer is blocked by policy, ask IT to allow the user-space native installer.

Still blocked or need company approval?Go to the IT section in the full guide

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How to install

Windows: open a normal PowerShell window and run irm https://claude.ai/install.ps1 | iex.

macOS: open Terminal and run curl -fsSL https://claude.ai/install.sh | bash.

Close and reopen the terminal, then run claude --version and claude doctor.

On Windows, start from a short local working folder such as C:\ai, outside Documents and OneDrive.

Nuances

Claude Code no longer needs Node or Git, and its native installer does not need administrator rights. Git for Windows is optional but useful; without it Claude Code uses PowerShell.

Native Windows is supported and WSL is not required. Sandboxing is not available on native Windows; use WSL 2 only when your IT policy or Linux toolchain requires it.

The Windows installer supports Windows 10 1809 or later, installs to %USERPROFILE%\.local\bin\claude.exe and does not need an elevated terminal.

On Windows, keep your working folder short and local, such as C:\ai, outside Documents and OneDrive. Keep CLAUDE_CONFIG_DIR local too.

If it will not work

If claude is not found, fully close and reopen the terminal before trying anything else.

If Git is installed but not detected, point CLAUDE_CODE_GIT_BASH_PATH at the Git Bash executable.

If Claude reports a write as successful but no file appears, move the project to a short local path and confirm Windows long paths are enabled.

If the installer is blocked by policy, ask IT to allow the user-space native installer.