Definition of Hyper IgM Syndromes. Patients with HIGM syndrome have an inability to switch from the production of antibodies of the IgM type to antibodies of the IgG, IgA or IgE types. As a result, patients with this disease have decreased levels of IgG and IgA but normal or elevated levels of IgM in their blood.
Windows 7 themes files are saved in the following locations: C:\Users\yourusername\AppData\Local\Microsoft\Windows\Themes. C:\Windows\Resources\Themes. Note: I assume C: drive is the system drive where Windows 7 is installed. Please check if the themes can be found.
There you will find two sub-folders: Screen and Wallpaper. The Screen sub-folder contains the wallpapers used by Windows 8 for its Lock screen. The Wallpaper sub-folder has other three sub-folders with the images used in each of the default themes that are bundled with Windows 8. Simply open these folders and use them as you see fit.