Here's how to swap the Alt ＆ Ctrl keys, or make the Caps Lock into a Ctrl key, for Microsoft Windows.
; -*- coding: utf-8 -*- ; swap caps lock and control Ctrl::Alt Alt::Ctrl
; -*- coding: utf-8 -*- ; make capslock do control Capslock::Ctrl
if you don't have time do learn AutoHotkey yourself, then send me it for $3, i'll send you the software that swaps Alt ＆ Ctrl keys. You can just double click its icon and it'll be active. Use the paypal button below. In the comment field, put “swap Alt and Ctrl”. I'll email it to you. Make sure your email address is included and correct.
For general tools, see: Keyboard Layout ＆ Key Macro tools for Windows.