---
title: Getting started
description: Getting started


---
import { extractLines } from "@slint/common-files/src/utils/utils"
import { Tabs, TabItem } from '@astrojs/starlight/components';
import { Code } from '@astrojs/starlight/components'


This tutorial shows you how to use the languages that Slint supports as the host programming language.

We recommend using [our editor integrations for Slint](https://github.com/slint-ui/slint/tree/master/editors) for following this tutorial.

Slint has application templates you can use to create a project with dependencies already set up that follows recommended best practices.

## Prerequisites

<Tabs syncKey="dev-language">
  <TabItem label="C++">

Before using the template, you need a C++ compiler that supports C++ 20 and to install [CMake](https://cmake.org/download/) 3.21 or newer.

1. Download and extract the [ZIP archive](https://github.com/slint-ui/slint-cpp-template/archive/refs/heads/main.zip) of the [C++ Template](https://github.com/slint-ui/slint-cpp-template/).
2. Rename the extracted directory and change into it:

```sh
mv slint-cpp-template-main memory
cd memory
```

### Configure the project

The `CMakeLists.txt` uses the line `add_executable(my_application src/main.cpp)` to set `src/main.cpp` as the main C++ code file.

Replace the content of `src/main.cpp` with the following:

import initialCpp from '/src/content/code/main_initial.cpp?raw'

<Code code={extractLines(initialCpp, 7, 13)} lang="cpp" title="main_initial.cpp" />

Also in `CMakeLists.txt` the line
`slint_target_sources(my_application ui/app-window.slint)` is a Slint function used to
add the `app-window.slint` file to the target.

Replace the contents of `ui/app-window.slint` with the following:

import appWindow from '/src/content/code/app-window.slint?raw'

<Code code={extractLines(appWindow, 6, 11)} lang="slint" title="app-window.slint" />

Configure with CMake:

```sh
cmake -B build
```

:::tip[Tip]
When configuring with CMake, the FetchContent module fetches the source code of Slint via git.
This may take some time when building for the first time, as the process needs to build
the Slint runtime and compiler.
:::

Build with CMake:

```sh
cmake --build build
```

### Run the application

Run the application binary on Linux or macOS:

```sh
./build/my_application
```

Or on Windows:

```sh
build\my_application.exe
```

This opens a window with a green "Hello World" greeting.

If you are stepping through this tutorial on a Windows machine, you can run the application at each step with:

```sh
my_application
```
</TabItem>

<TabItem label="NodeJS">

1. Download and extract the [ZIP archive](https://github.com/slint-ui/slint-nodejs-template/archive/refs/heads/main.zip) of the [Node.js Template](https://github.com/slint-ui/slint-nodejs-template).
2. Rename the extracted directory and change into it:

```sh
mv slint-nodejs-template-main memory
cd memory
```
3. Install dependencies with npm:

```sh
npm install
```

### Configure the project

The `package.json` file references `src/main.js` as the entry point for the application and `src/main.js` references `memory.slint` as the UI file.

Replace the contents of `src/main.js` with the following:

import mainInitialJs from '/src/content/code/main_initial.js?raw'

<Code code={extractLines(mainInitialJs, 6, 10)} lang="js" title="main_initial.js" />

The `slint.loadFile` method resolves files from the process's current working directory, so from the `package.json` file's location.

Replace the contents of `ui/app-window.slint` with the following:

import memorySlint from '/src/content/code/memory.slint?raw'

<Code code={extractLines(memorySlint, 6, 11)} lang="slint" title="memory.slint" />


### Run the application

Run the example with `npm start` and a window appears with the green "Hello World" greeting.

</TabItem>
<TabItem label="Rust">

We recommend using [rust-analyzer](https://rust-analyzer.github.io) and [our editor integrations for Slint](https://github.com/slint-ui/slint/tree/master/editors) for following this tutorial.

1. Download and extract the [ZIP archive](https://github.com/slint-ui/slint-rust-template/archive/refs/heads/main.zip) of the [Rust Template](https://github.com/slint-ui/slint-rust-template).
2. Rename the extracted directory and change into it:

```sh
mv slint-rust-template-main memory
cd memory
```

### Configure the project

Replace the contents of `src/main.rs` with the following:

```rust
slint::include_modules!();

fn main() -> Result<(), slint::PlatformError> {
    let main_window = MainWindow::new()?;

    main_window.run()
}
```

Replace the contents of `ui/app-window.slint` with the following:

<Code code={extractLines(memorySlint, 6 ,11)} lang="slint" title="memory.slint" />


### Run the application

Run the example with `cargo run` and a window appears with the green "Hello World" greeting.
</TabItem>
<TabItem label="Python">

1. Download and extract the [ZIP archive](https://github.com/slint-ui/slint-python-template/archive/refs/heads/main.zip) of the [Python Template](https://github.com/slint-ui/slint-python-template).
2. Rename the extracted directory and change into it:

```sh
mv slint-python-template-main memory
cd memory
```
3. Install dependencies with uv:

```sh
uv sync
```

### Configure the project

The entry point for the application is `main.py`, the UI file is `app-window.slint`.

Replace the contents of `main.py` with the following:

import mainInitialPython from '/src/content/code/main_initial.py?raw'

<Code code={extractLines(mainInitialPython, 3, 18)} lang="python" title="main.py" />

The `slint.loadFile` method resolves files from the process's current working directory, so from the `package.json` file's location.

Replace the contents of `ui/app-window.slint` with the following:

<Code code={extractLines(memorySlint, 6, 11)} lang="slint" title="memory.slint" />

### Run the application

Run the example with `uv run main.py` and a window appears with the green "Hello World" greeting.

</TabItem>
</Tabs>

![Screenshot of initial tutorial app showing Hello World](https://slint.dev/blog/memory-game-tutorial/getting-started.png "Hello World")
