Get the latest ModManager from here:
http://fluffyquack.com/WIP/modmanager.rar


Installation
1. Install Fluffyquack's Mod Manager
2. Copy this .rar in \ModManager\Games\RE2R\Mods
3. Activate the mod and run the game (Install first the base mod and then install the compatible add-ons).
4. In the game, select the correct modified costume.
Enjoy!


Troubleshooting
The mods are tested for the last versions of the game and Mod manager.
to solve the most common problems try this:
In Fluffy Manager Click on "uninstall all mods". 
Right-click the game in Steam and select "verify file integrity". 
Click on "re-read game archives" in the "manage mods" menu in the mod manager.
Install first the base mod and then install the compatible add-ons.

Also check out the Fluffy Manager troubleshooting guide: 
https://residentevilmodding.boards.net/post/113368