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Clarify 4.0 to 4.1 upgrade documentation

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user/downloading-installing-upgrading/upgrade/4_1.md
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@ -5,16 +5,17 @@ permalink: /doc/upgrade/4.1/
title: How to upgrade to Qubes 4.1
---
This page explains how to perform an in-place upgrade from Qubes 4.0 to Qubes
4.1. It is not possible to upgrade directly from releases earlier than 4.0. If
you're still on an earlier release, please either perform a [clean installation
of 4.1](#clean-installation) or [upgrade to 4.0](/doc/upgrade/4.0/) first.
This page explains how to upgrade from Qubes 4.0 to Qubes 4.1. There are two
ways to upgrade: a clean installation or an in-place upgrade. In general, a
clean installation is simpler and less error-prone, but an in-place upgrade
allows you to preserve your customizations.
## Back up
Before attempting either an in-place upgrade or a clean installation, we
strongly recommend that you first [back up your
system](/doc/how-to-back-up-restore-and-migrate/).
system](/doc/how-to-back-up-restore-and-migrate/) so that you don't lose any
data.
## Clean installation
@ -24,14 +25,20 @@ in-place:
1. Create a
[backup](/doc/how-to-back-up-restore-and-migrate/#creating-a-backup) of your
current installation.
2. Follow the [installation guide](/doc/installation-guide/) to install Qubes
2. [Download](/downloads/) the latest 4.1 release.
3. Follow the [installation guide](/doc/installation-guide/) to install Qubes
4.1.
3. [Restore from your
4. [Restore from your
backup](/doc/how-to-back-up-restore-and-migrate/#restoring-from-a-backup) on
your new 4.1 installation.
## In-place upgrade
**Warning:** It is not possible to upgrade directly from releases earlier than
4.0. If you're still on an earlier release, please either perform a [clean
installation of 4.1](#clean-installation) or [upgrade to
4.0](/doc/upgrade/4.0/) first.
The upgrade may take several hours, and will download several gigabytes of
data.