Restart without shutting down

Usually when you’re done installing a software you are required to restart windows. Now you can do so quickly without shutting down at all !

if you use xp
1 open taskmanager | ctrl + alt + del
2 goto processes tab
3 click on ‘ explorer.exe ‘ and click end task
4 click open the file menu in taskmanager, then choose new task

5 write explorer and hit enter
6 done 

if you got vista,
1 open start menu
2 hold down ctrl +shift and right click an empty space
3 choose exit explorer
4 proceed to step 4 in xp method.
5 done

Now you can restart without having to shut down !