How to run first C Program using Visual Studio Code and MinGW

Here’s a step-by-step guide to run your first C program in Visual Studio Code (VS Code) using MinGW (Minimalist GNU for Windows).

---

🧰 Step 1: Install the Required Tools

1. Install MinGW

1. Go to the official MinGW website:
   👉 https://www.mingw-w64.org/
2. Download the mingw-w64 installer (for your Windows version).
3. Run the installer:
   • Architecture: x86_64 (for 64-bit systems)
   • Threads: posix
   • Exception: seh
   • Installation directory: C:\mingw-w64
4. Wait for installation to complete.

---

2. Add MinGW to System PATH

You need to make GCC (the C compiler) available from any terminal.

1. Open Start Menu → Edit the system environment variables.
2. Click Environment Variables.
3. Under System variables, find Path → Edit → New.
4. Add: C:\mingw-w64\bin
5. Click OK on all dialogs.

✅ Verify the installation:
Open Command Prompt and type:

gcc --version

You should see GCC version info (e.g., gcc (x86_64-posix-seh, Built by MinGW-W64 project)).

---

3. Install Visual Studio Code

If not installed yet, download and install:
👉 https://code.visualstudio.com/

---

4. Install C/C++ Extensions in VS Code

Open VS Code → Go to Extensions (Ctrl+Shift+X) → Search and install:

• C/C++ (by Microsoft)
• (Optional) Code Runner (to run C programs easily)

---

🧑‍💻 Step 2: Create and Run Your First C Program

1. Create a new folder

Example: C:\C_Programs\HelloWorld

2. Open it in VS Code

• In VS Code → File → Open Folder → select your folder.

3. Create a new file named:

hello.c

4. Write your first C program:

#include <stdio.h>

int main() {
    printf("Hello, World!\n");
    return 0;
}

---

⚙️ Step 3: Compile and Run the Program

Option 1: Use VS Code Terminal

1. Open the terminal in VS Code: Ctrl + `
2. Compile the code: gcc hello.c -o hello (This creates an executable file named hello.exe.)
3. Run the executable: ./hello ✅ Output: Hello, World!

---

Option 2: (Optional) Use Code Runner Extension

If you installed Code Runner, you can simply:

• Right-click inside your code and choose Run Code.
• Or press Ctrl + Alt + N.

Output appears in the OUTPUT tab.

---

🧩 Step 4: (Optional) Setup a Build Task for One-Key Build & Run

If you want to press one shortcut to build and run:

1. Press Ctrl + Shift + B → Choose C/C++: gcc build active file.
2. It creates a .vscode/tasks.json file.
3. Modify it to automatically run your program after build if you want.