How Can I Add Something To A Video Clip

Can anyone tell me please how i can add an arrow into a video clip please.
Thankyou
Answer #1
I don’t know exactly how,
try playing around with Windows Movie Maker,
if not,
try downloading Sony Vegas.
Answer #2
I don't know exactly how,
try playing around with Windows Movie Maker,
if not,
try downloading Sony Vegas.
Im having problems with movie maker, when i save the video it saves upside down