On Windows, the Recycle Bin folder is typically located right under the device root, e.g.
Windows files systems are generally case-insensitive, so in most cases it does not really matter whether this folder name is spelled mixed case or all uppercase.
Out of curiosity and because I write cross platform code that also needs to run on case-sensitive file systems:
What determines whether the folder name is mixed-case or uppercase?
Ideas are: Internal vs external, Windows X vs Windows Y, NTFS vs FAT, ...