=== Description
Before making any changes to the desktop experience, we would like to ensure that users are able to opt-in and opt-out of the new experience
=== User story
As a user, I would like the ability to turn off the new experience so that I can go back to my old workflows
=== Designs
| {F30988191} | {F30988197} | {F30988201}
=== Acceptance criteria
==== States
||**Feature Status** | **Opt-out/Opt-in** |**Setting**
|Anon, test wiki |on|none |none
|Logged-in, test wiki|on|opt-out button in sidebar |legacy vector toggle turned off
|Anon, non-test wiki | off |none |none
|Logged-in, non-test wiki |off |none |legacy vector toggle turned on
==== Main setting
**For all logged-in users, a "legacy vector" setting will appear under skin preferences**
## This setting will be "on" for test wikis and "off" for other wikis
## For users on test wikis using any skin other than Vector, no changes will occur (i.e. they will not be opted in)
## Setting copy: TBD
==== Opting out
1. For all logged-in users who have the new experience enabled by default (i.e. logged-in users on the test wikis), an opt out button appears
## Selecting the opt-out button will display a modal with more information on the project
## Selecting to opt-out from the modal will take users to the appearance tab on the preferences page where they can turn it off
## Button copy: Turn off new look