# Engine.install

Installs every Node.js implementation this entrypoint provides.

Slots initialize in parallel and are installed atomically. Call this once during startup, before any cryptographic operation.

## Imports

:::code-group
```ts [Named]
import { Engine } from 'ox/node'
```

```ts [Entrypoint]
import * as Engine from 'ox/node/Engine'
```
:::

## Examples

```ts twoslash
// @noErrors
import { Engine, Hash } from 'ox/node'

await Engine.install()

Hash.sha256('0xdeadbeef')
```

## Definition

```ts
function install(): Promise<install.ReturnType>
```

**Source:** [src/node/Engine.ts](https://github.com/wevm/ox/blob/main/src/node/Engine.ts#L49)

## Return Type

The engine that was installed.

`Promise<install.ReturnType>`