This is a modified default RyanAir livery. This is the default RyanAir livery for the 737-700U, the only thing difference are the weathered wings
Captain Kitten - 737-700U and RyanAir livery
Thresholdx Forums - 737-700U and RyanAir livery
FsCabral - Weathered wing textures
1. Click 'Download this file'
2. Double left click the file once it's done installing
3. Select the file, right click it, and select 'cut'
4. Go to X-Plane 11/Aircraft/(your 737-700U folder)/Boeing 737-700U/liveries in your files
5. Right click anywhere and select 'paste'
You should be good to go!