Hi Kathy, and welcome.
I don't do anything clever with my meter - just stick the strip in, prick my finger, apply the blood to the strip and make a note of the reading. Some people store the readings, or download them and make spreadsheets and graphs, but that's beyond me, I'm afraid!
As you are new to testing, it's best to test first thing in the morning (even before a shower and a cup of tea), just before and two hours after every meal, and last thing at night. As a general rule of thumb, your reading two hours after eating should be coming down to the same level as it was just before you ate. Don't be surprised if it takes some time to get control.
Make a note of what you eat at every meal, and you'll soon see which foods make your blood sugars spike and which you're okay with. If things like cereal, bread, potatoes, pasta, rice, make your levels go high, try reducing the portion size or even cutting them out altogether. Some people can eat fruit - I can eat some summer fruits, berries etc, but not bananas or the very sweet fruits like grapes. We are all different!
It's the carbohydrates in food (sugars are carbohydrates too!) that make your blood sugar spike, so controlling your carb intake usually helps get control of your blood sugars.
Have a read around the forum - there's plenty of good advice on here. Don't be afraid to ask questions; there are a lot of very experienced people around, who will do their best to help you. We were all beginners once!
Viv 8)