when iam on computer,it shuts off and have to log back in ,how to keep page open longer

[Kerrih]

just want page iam on to stay open longer if I have to walk away from it for a minute or ten

 

[Gyustarr]

Assuming you're using windows, Go to Control Panel then System & Security then Power Options then on your left Change when computer/monitor sleeps. Adjust it to your preference.