FireShot이 왜 Chrome에 설치되지 않나?

“This application is not supported on this computer. Installation has been disabled.” 라는 메시지. Overview 페이지에 적힌 내용을 보니 “**** Only 32-bit version of Google Chrome for Windows is supported ****”라고. (내 시스템은 64-bit Windows 8. 뿐 아니라 ‘This version is working *only on Windows*’이기도)