You can bypass the Windows 7 password quite easily if you know how. However, it can take some time depending on the password strength or if you can access an administrator account on your machine.
1. Method: Bypass Password via Password Reset
To bypass the Windows 7 password you can change the password via lusrmgr.msc if you have access to an administrator account. However, the downside of this method is that you can lose your e-Mails and encrypted files (if you have any).
Tip: If you have only certain administrator rights, you can try to activate the hidden admin account with your limited admin rights and then access a “real” admin account.
Read more here: Reset the Windows 7 password
2. Method: Bypass Password via Password Cracker
You can crack your password with some tools. This can take some time.
Download the ophcrack Live CD, burn it and boot from this CD to crack and bypass your Windows 7 password.