1、在桌面空白处鼠标右键指向“新建”，在下一级菜单中单击“文本文档”
2、将下面的代码复制到文本文档里
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\inffile\shell\Install]
@="安装(&I)"
[HKEY_CLASSES_ROOT\inffile\shell\Install\command]
@=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,00,25,\
00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,72,00,75,00,\
6e,00,64,00,6c,00,6c,00,33,00,32,00,2e,00,65,00,78,00,65,00,20,00,73,00,65,\
00,74,00,75,00,70,00,61,00,70,00,69,00,2c,00,49,00,6e,00,73,00,74,00,61,00,\
6c,00,6c,00,48,00,69,00,6e,00,66,00,53,00,65,00,63,00,74,00,69,00,6f,00,6e,\
00,20,00,44,00,65,00,66,00,61,00,75,00,6c,00,74,00,49,00,6e,00,73,00,74,00,\
61,00,6c,00,6c,00,20,00,31,00,33,00,32,00,20,00,25,00,31,00,00,00
3、单击“文件”菜单中的“保存”命令
4、双击桌面上我的电脑图标，在打开的窗口单击菜单栏中的“工具”按钮，打开的快捷菜单单击“文件夹选项”命令
5、弹出“文件夹选项”窗口，切换到“查看”选项卡
6、在高级设置列表中找到“隐藏已知文件类型的扩展名”项，将复选框的勾去掉，单击“确定”
7、在刚才保存的文本文档鼠标右键单击“重命名”项
8、键入后缀名为.reg的文件名称，按回车键
9、弹出“如果改变文件扩展名，可能会导致文件不可用”的提示对话框，单击“是”
10、最后双击该注册表文件来进行恢复
