A:AnswerOut of the box it only supports 2.4GHz. However, I was able upgrade the wifi card to a dual band card (bought it for $9.99 off amazon). The install was pretty simple and I was able to connect to my 5Ghz network in no time.
A:AnswerYes, this computer does meet the minimum requirements to run The Sims. However it does not have a GPU so you would not be able to run games on the highest settings.