from your Help & Support window......
.........read and learn.......................
To view your pictures as a slide show
Open My Pictures.
Under Picture Tasks, click View as a slide show.
Notes
To open My Pictures, click Start, and then click My
Pictures.
Use the slide show toolbar buttons to play, pause, move
to the previous or next slide, or end the slide show. If
the toolbar is not displayed, move the pointer across the
screen, and it will appear in the upper-right corner of
the screen. You can also use the following keyboard
shortcut keys while viewing your pictures as a slide
show: Press these keyboard keys To do this
Left Arrow, PAGE UP, or Up Arrow Go to the previous image
in this folder.
Right Arrow, PAGE DOWN, or Down Arrow Go to the next
image in this folder.
CTRL+K Rotate the image by 90 degrees clockwise.
CTRL+L Rotate the image by 90 degrees counter-clockwise.
SPACEBAR Switch between playing and pausing the slide
show.
ENTER Go to the next image.
ESC Exit the slide show.
TAB Turn the slide show toolbar on or off.
If none of the pictures or only one picture is selected,
all of the pictures will be shown in the slide show. If
two or more pictures are selected, only those pictures
will be shown in the slide show.
You can view your pictures as a slide show in any My
Pictures subfolder or any folder customized as a pictures
folder.