This forum is dedicated to basic help and support :
Ask here your questions about basic installation and usage of Mageia. For example you may post here all your questions about getting Mageia isos and installing it, configuring your printer, using your word processor etc.
Try to ask your questions in the right sub-forum with as much details as you can gather. the more precise the question will be, the more likely you are to get a useful answer
I liked the look of Megeia use as desktop hd wallpapers .They make desktop hd wallpapers become more scientific However , I do not know how to install . Who can help me?
Right-click on the desktop, select "unlock widgets" if necessary. Right-click on the desktop, select "folder settings" and click open button at the bottom and choose the folder where you downloaded the wallpaper. You can also choose "slideshow" as wallpaper type, then you can select several wallpapers which will be shown as a slideshow.