ruby.exe: which program is it?
ruby.exe is a program file that 12 Windows programs install, the best known being Ruby 3.4. The list below names each one with its publisher and install folder.
| App | Publisher | Latest version | Default install folder |
|---|---|---|---|
 Ruby 3.4 | RubyInstaller Team | 3.4.12-1 | — |
 Ruby 4.0 | RubyInstaller Team | 4.0.9-1 | — |
 Ruby 3.2 with MSYS2 | RubyInstaller Team | 3.2.11-1 | — |
 Ruby 3.4 with MSYS2 | RubyInstaller Team | 3.4.11-1 | — |
 Ruby 3.3 | RubyInstaller Team | 3.3.13-1 | — |
 Ruby 4.0 with MSYS2 | RubyInstaller Team | 4.0.7-1 | — |
 Ruby 3.0 | RubyInstaller Team | 3.0.7-1 | — |
 Ruby 3.0 with MSYS2 | RubyInstaller Team | 3.0.7-1 | — |
 Ruby 3.3 with MSYS2 | RubyInstaller Team | 3.3.12-1 | — |
 Ruby 3.2 | RubyInstaller Team | 3.2.11-1 | — |
 Ruby 3.1 | RubyInstaller Team | 3.1.7-1 | — |
 Ruby 3.1 with MSYS2 | RubyInstaller Team | 3.1.7-1 | — |
Frequently asked questions
Is ruby.exe safe?
ruby.exe is a normal part of Ruby 3.4 when it sits in the program's install folder and carries the publisher's digital signature. A file with the same name in another folder can be something else: check its signature and hash.
Where is ruby.exe located?
In the program's install folder, which the installer chooses; winget puts portable programs under %LOCALAPPDATA%\Microsoft\WinGet\Packages.
How do I remove ruby.exe?
Uninstall Ruby 3.4 through Settings → Apps or with winget; the uninstaller removes ruby.exe with it. Deleting the file alone leaves the rest of the program behind.