- applications menu (available as preview in R4.1 too) ([#6665](https://github.com/QubesOS/qubes-issues/issues/6665)), ([#5677](https://github.com/QubesOS/qubes-issues/issues/5677))
- global settings ([#6898](https://github.com/QubesOS/qubes-issues/issues/6898))
- official packages built using rewritten qubes-builder (qubes-builderv2), more details in [#6486](https://github.com/QubesOS/qubes-issues/issues/6486)
We strongly recommend [updating Qubes OS](/doc/how-to-update/) immediately
after installation in order to apply any and all available bug fixes.
## Download
See [downloads](/downloads/).
## Installation instructions
See the [installation guide](/doc/installation-guide/).
## Upgrading
The in-place upgrade procedure is not prepared yet (https://github.com/QubesOS/qubes-issues/issues/7832). Currently R4.2 can be tested by doing clean installation.
TODO: Please see [how to upgrade to Qubes 4.2](/doc/upgrade/4.2/).