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Install with Bun

bun add --global @v5x/cli
v5x --version
The CLI runs on Bun and must be available on your shell’s PATH. The current CLI release supports Linux. Its native serial dependency does not currently provide working device discovery on macOS or Windows. The separate @v5x/serial browser library is available wherever the browser implements the Web Serial API; browser support is independent of CLI operating-system support.

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Install a toolchain

v5x install vexide
This requires Rust and Cargo. It installs cargo-v5 with Cargo.
VEXcode C++ projects use the compiler and Make environment supplied by their project setup.