# Ctrl2Cap - Sysinternals | Microsoft Learn

Summary — Ctrl2Cap v3.0 (Mark Russinovich, Feb 13, 2025)

* Purpose: Ctrl2Cap remaps the Caps Lock key to act as the Ctrl key — useful for users accustomed to Unix-style keyboard layout.
* Author / date: Mark Russinovich — published February 13, 2025.
* Download: Ctrl2Cap.zip (132 KB) — <https://download.sysinternals.com/files/Ctrl2Cap.zip>
* Installation: Run `ctrl2cap /install` from the folder where you unzipped the files.
* Uninstallation: Run `ctrl2cap /uninstall`.
* Supported platforms:
  * Client: Windows 10 and higher
  * Server: Windows Server 2016 and higher
* Notes: Short utility; additional accessibility training resource linked on the original page. Last updated 02/13/2025.