> ## Documentation Index
> Fetch the complete documentation index at: https://flowdeck.studio/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Runtimes

> Manage installed simulator runtimes

Runtimes are the platform images (iOS, tvOS, watchOS, visionOS) used by simulators.

```bash theme={null}
# Show runtime command examples
flowdeck simulator runtime --examples
```

## flowdeck simulator runtime list

List installed runtimes.

```bash theme={null}
flowdeck simulator runtime list
flowdeck simulator runtime list --json
```

### Options

| Option       | Short | Description         |
| ------------ | ----- | ------------------- |
| `--json`     | `-j`  | Output as JSON      |
| `--examples` | `-e`  | Show usage examples |

***

## flowdeck simulator runtime available

List downloadable runtimes from Apple.

```bash theme={null}
flowdeck simulator runtime available
flowdeck simulator runtime available --platform iOS
flowdeck simulator runtime available --json
flowdeck simulator runtime available --examples
```

### Options

| Option              | Short | Description                                       |
| ------------------- | ----- | ------------------------------------------------- |
| `--platform <name>` | `-P`  | Filter by platform (iOS, tvOS, watchOS, visionOS) |
| `--json`            | `-j`  | Output as JSON                                    |
| `--examples`        | `-e`  | Show usage examples                               |

***

## flowdeck simulator runtime install

Download and install a runtime.

```bash theme={null}
flowdeck simulator runtime install iOS 18.1
flowdeck simulator runtime install iOS --prune
```

### Options

| Option       | Short | Description                                  |
| ------------ | ----- | -------------------------------------------- |
| `--verbose`  | `-v`  | Show command output                          |
| `--prune`    |       | Remove auto-created simulators after install |
| `--json`     | `-j`  | Output as JSON                               |
| `--examples` | `-e`  | Show usage examples                          |

***

## flowdeck simulator runtime delete

Remove an installed runtime.

```bash theme={null}
flowdeck simulator runtime delete "iOS 17.2"
```

### Options

| Option       | Short | Description         |
| ------------ | ----- | ------------------- |
| `--verbose`  | `-v`  | Show command output |
| `--json`     | `-j`  | Output as JSON      |
| `--examples` | `-e`  | Show usage examples |

***

## flowdeck simulator runtime prune

Delete simulators for a runtime.

```bash theme={null}
flowdeck simulator runtime prune "iOS 18.0"
```

### Options

| Option       | Short | Description                  |
| ------------ | ----- | ---------------------------- |
| `--verbose`  | `-v`  | Show deleted simulator UDIDs |
| `--json`     | `-j`  | Output as JSON               |
| `--examples` | `-e`  | Show usage examples          |