When my friend and I lost Windows password, we all did like to use the powerful reset software. We made a conclusion that reset software is the most efficient and simplest way. We used Ophcrack and Anmosoft Windows Password Reset before. Both of them are professional but the latter is more powerful for it supports for all Windows system and Ophcrack is more suitable for someone who is good at computer. If you have an urgent job , I recommend you to use Anmosoft Windows Password Reset. More details you can visit http://www.resetwindowspassword.com

Reinstalling Windows will lose your data so it is the last solution. But I think you can find many approaches better than it such as Anmosoft Windows Password Reset. Last time, my friend helped me reset my Windows password with that reset software. No need to reinstall my Windows and the important is that my data doesn't lose at all. If you want to know more about it, you can visit http://www.resetwindowspassword.com