> For the complete documentation index, see [llms.txt](https://thefinebits.gitbook.io/grainbits/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://thefinebits.gitbook.io/grainbits/getting-started/update.md).

# Update

Before installing a new version of GrainBits, **create a backup** of your current version to ensure data safety. Click on the three dots beside your active theme and choose the download option.

<figure><img src="https://676926241-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwaJtnN5JW3JxXh9HZVfX%2Fuploads%2FQZCNldyvxWCZg5pHmbzW%2Fdocs-flexibits-update.png?alt=media&amp;token=11145644-7de9-4aa7-a206-32b9b01a1db6" alt=""><figcaption></figcaption></figure>

If you haven't modified any theme files, you can simply upload the new `grainbits.zip` file in the Ghost Admin and you're good to go.

If you've modified certain files, you'll need to reapply those changes to the new theme files. Otherwise, **your changes will be overwritten**.

{% hint style="info" %}
For minor style adjustments, we recommend using [Code Injection](https://ghost.org/tutorials/use-code-injection-in-ghost/) in the Ghost Admin. This way, your changes are preserved across theme updates.
{% endhint %}