Claude Code Install Prerequisites Mistakes: quick fix, steps, and deep guide

Q: Claude Code Install Prerequisites Mistakes

Treat this as a Node.js errors troubleshooting issue. Confirm the environment, inputs, permissions, logs, and delivery boundary, then use the linked deep guide for the full checklist.

What is the problem?

整理新手安装 Claude Code 前常见错误：不确认系统和终端、不看 Node 版本、不记录错误原文、直接在客户项目里试错、混淆安装问题和项目问题。

Quick solution

Treat this as a Node.js errors troubleshooting issue. First confirm the environment, inputs, permissions, logs, and delivery boundary. Then use the linked deep guide for the full checklist before changing production code or promising a result.

Read the deep guide

Detailed steps

系统和终端
Node 和包管理器版本
Git 是否可用
测试项目是否能正常读取
错误原文

Commands or code

我先确认基础环境：
- 系统和终端
- Node 和包管理器版本
- Git 是否可用
- 测试项目是否能正常读取
- 错误原文
确认这些后，再判断是安装问题还是项目问题。

Risk notes

Confirm the real project environment, account permissions, platform rules, and output quality before delivery. Do not ship AI-generated changes without human review, and do not claim indexing, income, deployment success, or ranking improvements without measured evidence.