# Installing and updating

<CardGroup cols={2}>
<Card title="Before you install" href="https://justdocs.qdev.tech/docs/help/installing-and-updating/before-you-install">
What every Qdev product needs from the server, and the four checks that save the most time.
</Card>
<Card title="Update safely" href="https://justdocs.qdev.tech/docs/help/installing-and-updating/updating">
Back up, replace the files, run the update, then check the basics.
</Card>
</CardGroup>