![](https://dyson-h.assetsadobe2.com/is/image/content/dam/dyson/motifs/master/ec/dyson-purifier-big-quiet/dyson-purifier-big-quiet-formaldehyde.png?fmt=png-alpha)
Welcome to your new Dyson Purifier Big+Quiet Formaldehyde
Get ready for powerful purification.
Let's get started in three easy steps:
1. Set up your purifier
2. Download the app
3. Register your machine
![The Dyson Purifier Big+Quiet Formaldehyde.](https://dyson-h.assetsadobe2.com/is/image//content/dam/dyson/leap-petite-global/products/ec/n664/getting-started/664-Getting-Started-Hero-aem-bp03-2.jpg?$responsive$&cropPathE=desktop&fit=stretch,1&wid=1920)
Set up your purifier
*Machine colourways may vary from the video.
Download the app
![MyDyson logo](https://dyson-h.assetsadobe2.com/is/image/content/dam/dyson/motifs/master/my-dyson/MyDyson-motif.png?scl=1&fmt=png-alpha)
Get more from your Dyson with the MyDyson™ app
Connect and register your machine to access how-to guides, live air quality and filter reports, set schedules and much more.
![The MyDyson app on different mobile phone screens.](https://dyson-h.assetsadobe2.com/is/image/content/dam/dyson/leap-petite-global/products/ec/n664/getting-started/664_mydyson_banner_three_phone_screens.jpg?$responsive$&cropPathE=desktop&fit=stretch,1&wid=1920)
Register your machine
Alternatively, you can register your machine by clicking the button below, for easy access to all your machine and guarantee information, all in one place.
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Access your 2-year guarantee
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Expert support 7 days a week
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Hassle-free repair or replacement
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Tailored tips and advice
User manual
Download your Dyson Purifier Big+Quiet Formaldehyde user manual.
![User manual](https://www.dyson.com.sg/static/version1736266211/frontend/Dyson/commerce/en_US/images/icons/download-icon.png)
4.87MB