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---
page_type: sample
description: "This sample shows how to create a minimal Windows program that shows a window. It demonstrates how to write a
window procedure and message loop."
languages:
- cpp
products:
- windows
- windows-api-win32
---
# Hello World sample
This sample shows how to create a minimal Windows program that shows a window. It demonstrates how to write a
window procedure and message loop. For more information about the sample, see [this article](https://docs.microsoft.com/windows/win32/learnwin32/windows-hello-world-sample).
## Requirements
* Client: Windows 8.x or later
* Server: Windows Server 2016 or later
* Visual Studio 2019
## Build the sample
1. Start Visual Studio and select **File** \> **Open** \> **Project/Solution**.
2. Go to the directory named for the sample, and double-click the solution (.sln) file.
3. Press F7 or use **Build** /> **Build Solution** to build the sample.
## Run the sample
To debug the app and then run it, press F5 or use **Debug** \> **Start Debugging**. To run the app without debugging, press Ctrl+F5 or use **Debug** \> **Start Without Debugging**.