after installing windows 7 its say date has been expire?

[yaar3333]

i was using windows 7 ultimate on 2 gb ram,then i downloaded windows 7 home basic from torrent and make bootable cd and installed it after intalling it,its say this windows date has been expire so,when i was using windows 7 ultimate i active it by activator and it was working perfect but i've ram problem,in windows 7 home basic its date has been expire so my activotor can't active it now as i did in windows 7 ultimate,how to remove date expiry notification from windows 7 home basic.

[Geek-9pm]

If you have good windows 7, no need to download other version.
Activate code only works on right version.

[Allan]

We don't support illegally obtained software. Sorry.

[reddevilggg]

So you had a genuine copy of Windows and you've re-formatted your drive with an illegal copy.

Now you wonder why its all gone wrong.