From what I can discerne you will still be able to play your games and even create an "offline account" after July 1, 2014. However the multi-player and online saved games may no longer be available. Probably best to check details for each game.
no
At the dashboard click create an account!
You are allowed to create another account if you obide by the Xbox LIVE Code of Conduct and Xbox LIVE Terms of Use.
You can create your a profile and made it silver.
when you get live it you make an id then you sign into the account and go on live and then you can play but you need a wireless connection to the internet or even just a plug into the wall jack.
try the sims games.
As long as they are okay with you having it then get them to give you the email address and the password necessary to recover the gamertag. What you need to do is go to the area that allows you to choose a profile to sign into, create an account or RECOVER A GAMERTAG. If there is DLC on the account then you may need to transfer the licenses. Make sure that they are not using the account an they consent to you taking it first.
No
Well,you can use Windows Live messenger as mentioned.But also you can create your own profile on Windows Live AND you can create your own blog or your space,on Windows Live Spaces.
It depends on what account you used to sign up with. If you signed up with the account you used before you signed up (to get achievements) the achievements will be transferred to the new live account. On the other hand, if you create a new xbox live account you will have to start from scratch.
user name and email address and password