Same place on both 10 and 11
C:\Users\YourUserName\Pictures
As
@Charliedog said above, the simple / easy way is probably best to use an external resource like a USB Thumb Drive
AND
Be sure to copy (not cut, or move), always copy until you are certain that everything is as you expect it to be.
IF you do not want to maintain them in two locations, you can always go back and delete them once you are certain that they are safe and well in their new location.