How to make win7 each IE window can use a separate process

Some time you have opened multiple win7 Ultimate IE, for example: You are using IE viewer to play web games, you open a number of IE to achieve more open web games, this time there is an IE Correspondingly. If you indirectly close it, then all your IE cities are closed. I think that time you must be very depressed. Then you only need to make each IE window use your own history.
1 Click the “First” menu in the lower left corner, click “Run” in the window that appears. Press the “regedit” command in the running box that is being opened, and press the Enter key to open the registry editor.

2 is the Registry Editor interface we can see again in five nights option, after double-click on the registry keys to navigate to the HKEY_CURRENT_USER \\ Software \\ Microsoft \\ Windows \\ CurrentVersion \\ Explorer is the Explorer key, right-click "New" - "items".
3 The new item is named “BrowseNewProcess”. Right click on the right window of the BrowseNewProcess item, the shortcut menu will open “New”, and the first menu will click “DWORD Value”.
4 Right-click the new value #1, click "Rename", press "BrowseNewProcess", press the Enter key to double-click the "BrowseNewProcess" key, set the value data device to "1", click "Yes" ", close the registry editor window.