To change your crosshair make sure you rename the files that are provided

- "Crosshair" is the default one
- "Crosshair1" is just like "crosshair" file but the crosshair flips the other way

Also make sure to delete this file before uploading it on a server as an resourse pack because it will error

Updates on the pack --> https://modrinth.com/project/windows-1-xp-aero-busy-crosshair