By default Windows 7 has the default administrator account disabled. This tutorial will provide instructions on how to re-enable the default administrator account.
Notes
If you try to reenable the Administrator account after it has been disabled, and if the current Administrator password does not meet the password requirements, you cannot reenable the account. In this case, an alternative member of the Administrators group must reset the password on the Administrator account. For information about how to reset a password, see To reset a password.
Disabling the Administrator account can become a maintenance issue under certain circumstances.
Under Safe Mode boot, the disabled Administrator account will only be enabled if the machine is non-domain joined and there are no other local active administrator accounts. If the computer is domain joined the disabled administrator will not be enabled.
Windows 7 and Windows Vista allows you to create individual accounts for each user. This allows each individual user to have their own profile on the computer to store personal documents, pictures, videos, saved games, and other personal data. Multiple accounts allows the owner of the computer to assign certain priveledges to perform administrative tasks such as installing software, while limiting other user's from making changes to the computer.
By default the guest account is turned off in Windows 7. If someone needs to have temporary access to your computer, you can turn the guest account on. Guest account's can't install software, hardware, change settings, or create a password. This tutorial will show you how to turn the guest account on or off in Windows 7.
In this tutorial we will show you how to disable or enable the Windows firewall in Vista. We do not recommend disabling the firewall. However in some cases you may need to disable the firewall to troubleshoot connection issues.
On a previous article we provided a tutorial on how to 
