將下列登錄內容儲存為 .reg 檔（編碼 ANSI/UTF-16 LE），操作前請先備份登錄（建議用軟媒魔方清理大師備份功能），雙擊匯入即可解鎖 Eva 語音。

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech\Voices\Tokens\MSTTS_V110_enUS_EvaM]
@="Microsoft Eva Mobile - English (United States)"
"409"="Microsoft Eva Mobile - English (United States)"
"CLSID"="{179F3D56-1B0B-42B2-A962-59B7EF59FE1B}"
"LangDataPath"=hex(2):25,00,77,00,69,00,6e,00,64,00,69,00,72,00,25,00,5c,00,53,00,70,00,65,00,65,00,63,00,68,00,5f,00,4f,00,6e,00,65,00,43,00,6f,00,72,00,65,00,5c,00,45,00,6e,00,67,00,69,00,6e,00,65,00,73,00,5c,00,54,00,54,00,53,00,5c,00,65,00,6e,00,2d,00,55,00,53,00,5c,00,4d,00,53,00,54,00,54,00,53,00,4c,00,6f,00,63,00,65,00,6e,00,55,00,53,00,2e,00,64,00,61,00,74,00,00,00
"VoicePath"=hex(2):25,00,77,00,69,00,6e,00,64,00,69,00,72,00,25,00,5c,00,53,00,70,00,65,00,65,00,63,00,68,00,5f,00,4f,00,6e,00,65,00,43,00,6f,00,72,00,65,00,5c,00,45,00,6e,00,67,00,69,00,6e,00,65,00,73,00,5c,00,54,00,54,00,53,00,5c,00,65,00,6e,00,2d,00,55,00,53,00,5c,00,4d,00,31,00,30,00,33,00,33,00,45,00,76,00,61,00,00,00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech\Voices\Tokens\MSTTS_V110_enUS_EvaM\Attributes]
"Age"="Adult"
"Gender"="Female"
"Version"="11.0"
"Language"="409"
"Name"="Microsoft Eva Mobile"
"SharedPronunciation"=""
"Vendor"="Microsoft"
"DataVersion"="11.0.2013.1022"

匯入後，在「控制台」 → 「語音辨識」 → 「文字轉語音」下拉選單即可選擇 Microsoft Eva Mobile。