Cursor Complete Guide

AI Navigate Original / 5/16/2026

共有:

Key Points

  • Cursor is a VS Code fork made AI-native, the most adopted AI editor
  • 3 features: Tab completion, Cmd+K inline edit, Composer dialogue
  • Multi-model; Cursor Rules persist project rules
  • Don't over-trust Tab; Cmd+K local, Composer from a plan

What Is Cursor

Cursor is an editor that forks VS Code to be AI-native. It provides an experience where "AI resides through the whole process of writing code"—the most widely adopted AI development editor.

Install and Setup

1. Download

Download the Mac / Windows / Linux version from cursor.com. VS Code extensions/settings can be auto-migrated.

2. Sign Up

  • Register with Google / GitHub / email
  • 2-week Pro trial included
  • Paid: Pro USD 20/mo, Business USD 40/mo

3. Initial Setup

  • Select "Use Free / Pro Models"
  • Sign in with GitHub for repo linkage
  • Migrate VS Code Extensions (a prompt appears)

3 Main Features

1. Tab Completion

AI predicts code as you start writing. Confirm with Tab, reject with Esc. Deeper than VS Code's normal completion, predicting by line/function.

2. Cmd+K (Inline Edit)

Rewrite the selection with AI. You can instruct in natural language: "turn this loop into map," "make types strict." Select → Cmd+K → instruct.

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Cursor Complete Guide | AI Navigate