# Support
Thanks for using Killer! Here's how to get help.
## Documentation
Start with the [docs](docs/):
- [Quickstart](docs/quickstart.md)
- [CLI reference](docs/cli.md)
- [`.klr` language guide](docs/klr-guide.md)
- [Writing tests](docs/writing-tests.md)
Run `killer doctor` to check your setup, and `killer explain <ISSUE_ID>` to
understand a finding.
## Questions & discussion
- **GitHub Discussions** (if enabled) — for questions and ideas.
- **Issues** — for reproducible bugs and concrete feature requests. Please
search first, and include `killer version`, the command you ran, and a
minimal project or `.klr` file.
## Security
Do **not** report security vulnerabilities in public issues. See
[SECURITY.md](SECURITY.md) for private reporting.
## Contributing
See [CONTRIBUTING.md](CONTRIBUTING.md) to build, test, and extend Killer.