Livery Link is a graphical livery manager, which makes it trivial to download and install DCS Liveries.
Liveries can also be automatically shared with other people using Livery Link

Installation:
- Extract all contents into the folder of your choice. (don't extract into DCS or mods folder, treat as a separate app)
- Run LiveryLink.exe to initialize the app.
- Locate your Saved Games\DCS folder if prompted.
- Choose Yes to install the mod.

The latest version of Livery Link can always be downloaded from https://github.com/Camble/LiveryLink

Forum thread: https://forum.dcs.world/topic/345728-livery-link-a-livery-management-utility

- Paste in a User Files URL to automatically install a livery
- The Livery Browser displays your installed liveries with nice thumbnails
- Plenty of options in case you don't like a specific feature
- Automatically share and download liveries (with other users of Livery Link)
- Automatic updates

FAQ:

Q. How does Livery Sharing work?
A. In order to share liveries to other players, they must also have Livery Link, and the server you are flying on must be running Livery Link Server.

Q. How do I enable livery sharing?
A. Simply install liveries with Livery Link, and use those liveries on a Livery Link enabled server.

Q. How do I send liveries to people?
A. If you're sporting a livery that was installed with Livery Link, it will be shared automatically as soon as you take off.

Q. How do I receive other people's liveries?
A. If connected to a Livery Link server and a player shares a custom livery, Livery Link will download and install it automatically.

Q. What if I don't want to share liveries?
A. This feature can be disabled, or tweaked to your liking.