It doesn't matter which store [though you should go with a well known one such as a Best Buy or Staples]. It just matters which one has the best quality (processor, memory, etc.) for the best price.
Computer
You can download it from the Microsoft store, or you can buy the CD format that does it for you. You can also go to your local store or a computer store and they can help you, or you could buy the format.
The Windows installation disc should have come with your new computer. If you lost it, contact Microsoft for a new one. Or you can go to a store and buy a new copy.
buy a new one.
If you want a good quality computer, you should get a Dell, which is dell.com. You can customize what you want to fit your technological needs. Getting a computer from a store can also be done, but if you want the best quality, get a Dell.
One can buy a new Samsung memory for their computer from any local Best Buy store. One can also order memory directly off of the official Samsung website.
he should ask what the computer is going to be used for and what brand the custormer is interested in
I've always had good experiences with http://www.newegg.com
"John went to the hardware store to buy some paint" "I have some new hardware for the computer"
you can get a new operating system online.
The best laptop computer deals are located on Amazon, Ebay, or Craigslist. You can find a decent computer for a decent price. Some of them are used and some of them are new.
yes any major gaming store should have them.