A:AnswerCrucial.com says that it can be. Maybe not the best resource, but they guarantee compatibility if you purchase from them. Here is the link.
http://www.crucial.com/usa/en/compatible-upgrade-for/Acer/aspire-e5-574-53qs
A:AnswerDamom,
Most Windows laptops (such as this one) come with a built in CD/DVD burner. Simply right click on the folder/file(s) that you want to burn and click "burn"