To enable the administrator account in Windows 7
- Click on "Start" and then click "All programs".
- Then scroll down to the folder "accessories" and open it.
- Click with a right click on "command prompt" and select "run As Administrator".
- The security warning "user account control" click "Yes".
- In the window "Administrator command prompt" then enter the following command: "net user Administrator /active:yes".
- For safety reasons, it is not recommended to enable the administrator account any longer than necessary. Therefore, you should disable it as soon as possible. The command is "net user Administrator /active:no".

Windows 7 Administrator Account
You also have the Problem that the Icons and especially the font on the Desktop is hardly decipher can, you should use the article "Windows 7: display zoom in" to read.