How do I change the size of a digital photo?

Question: How do I change the size of a digital photo!?

I am trying to upload the cutest pic of my son to a photo contest and it says Your photo is 1,051 KB in size!. It must be between 3MB (3000KB) and 10 MB (100000 KB)!. I have no idea how to change the size!. I am running windows vista (blaaahhh)!. I tried to do it by right clicking properties, but there wasn't an option to change the size!.
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Best Answer - Chosen by Asker:

hello,
if u intalled MSOffice,
then right click on that inage, and select Open with > MS Office Picture Manager,
that is a red color icon,
now ur image will open n that application, now click Picture, ( menu bar )
and select Corp, -- Now u can cut off unwanted areas of ur photo,

or click File > Export
Now u will get a side bar,
in that bar see the last function, Click the Resize button and select any pre defined settings or u can put ur own mesurement,
and click the back button on that same bar, then click OK button,
thats all buddym, tc and have fun!.

OR
-----
Download any photo re sizer freeware application, then u can re size ur all photos which are in the same folder, at a time,

_____ OR

use online editor
www!.picresize!.com
http://bigwebpages!.com/big/resize!.html
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What you may have to do is either purchase some type of photography illustrator program or use one from your friends!. Although some of the finer details may blur a bit when increasing the size!. I hope this helped!.Www@QuestionHome@Com

photoshop elements is pretty good!. you can gat a free trial at adobe!.comWww@QuestionHome@Com

Use Irfanview - its free:

http://www!.irfanview!.com/Www@QuestionHome@Com