Go outside and walk/jog in an area that has interesting scenery. If you are stuck indoors or everything is dead like it is now, use music or video to entertain yourself. I use songs to "time" how long I exercise because theyre bite sized and it is easier to motivate myself to exercise 1 song at a time than it is to exercise for say... 30 minute blocks of time. AND remind yourself that you can spread that activity throughout the day and that you can get some exercise just by speeding up how fast you already walk or take the stairs instead of the elevator etc. Anything is better than nothing.