2. Click on Change PC Settings.  Then click on Personalize in the left pane. 3. In the right pane, click on Lock screen and then Browse to find your desired image. When you find the image you want, highlight the file by clicking on it, and then click on Choose Picture in the lower right-hand corner.
RenÃ© Descartes, (born March 31, 1596, La Haye, Touraine, Franceâdied February 11, 1650, Stockholm, Sweden), French mathematician, scientist, and philosopher.
For a time, in 1643, Cartesian philosophy was condemned by the University of Utrecht. Descartes died of pneumonia on 11 February 1650 in Stockholm, Sweden, where he had been invited as a teacher for Queen Christina of Sweden.