[Home](./index.md) > [puppeteer](./puppeteer.md) > [BrowserFetcher](./puppeteer.browserfetcher.md) > [download](./puppeteer.browserfetcher.download.md) ## BrowserFetcher.download() method Initiates a GET request to download the revision from the host. Signature: ```typescript download(revision: string, progressCallback?: (x: number, y: number) => void): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | revision | string | The revision to download. | | progressCallback | (x: number, y: number) => void | A function that will be called with two arguments: How many bytes have been downloaded and the total number of bytes of the download. | Returns: Promise<[BrowserFetcherRevisionInfo](./puppeteer.browserfetcherrevisioninfo.md)> A promise with revision information when the revision is downloaded and extracted. ## Remarks This method is affected by the current `product`.