The answer to this Question is YES, but you need the code to the Sims2 (it will be on the hard bit down left side corner will be the code to install to the computer).
prover
Yes
No. You can only install the software on one computer.
No, it is illegal to install on more than one computer unless indicated on the box as for more than 1 user or pc.
yes, it will ask for your log in that you used on the first computer, and it will then install. You will still need the disks product key
Yes, but you can only play on one computer at a time.
Yes, you can have 8 people.
yes
only if you have 2 CD keys
Yes, if you purchased the disc you should be able to put it into your computer and install again.
After you have downloaded more than your computer has room for, the custom content will start deleting parts of your game to fit the content. IT CAUSES YOUR COMPUTER TO CRASH!!! I would know, it happened to me. :(
No EA only allows you to register a code once online, but if not online you can install it more than once, like if you uninstall it you can install it again on the same computer.