The old-school reg.exe command-line registry editor command is no longer available in Windows 7 (though you could try to copy it from an XP installation over and see if it runs).
您可以使用 Regedit.exe,變更 Windows NT 4.0 或 Windows 2000 電腦上的登錄,但某些變更還是需要使用 Regedt32.exe 才能進行。 例如,您無法使用 Windows NT 4.0 或 Windows 2000 電腦上的 Regedit.exe,新增或變更 REG_EXPAND_SZ 或 REG_MULTI_SZ 值。 Regedt32.exe 是 Windows NT 4.0 與 Windows 2000 的主要登錄編輯程式。 如果您必須使用 Regedt32
Fixing Windows errors, tweaking Windows features, or completely removing a program can sometimes require you to edit the Windows registry. This page provides help with opening and viewing the Windows registry, editing, and deleting registry values.