friends if u download any softwares from Internet many times it's a trial version so you have to add it's Serial key or a registration code. Many times Software company or a web-site is provide it but if it's not provide 2 u, so u r not able to access that software anymore. Just open this web-sites and Find it's serial keys or registration key.
1.www.keygen.in
2.www.cracks.ms
3.www.serials.ws
4.www.cracks.me.uk
1.www.keygen.in
2.www.cracks.ms
3.www.serials.ws
4.www.cracks.me.uk