→Resolution and Aspect Ratio
Press Windows+R on keyboard, then type '''regedit''' in the box that opens. Locate the key HKEY_LOCAL_MACHINE\SOFTWARE\Bethesda Softworks\Morrowind (for 64-bit Windows system, locate HKEY_CURRENT_USER\SOFTWARE\Wow6432Node\Bethesda Softworks\Morrowind). On the right pane, you will see several numerical values. Double-click on "Screen Height" and "Screen Width" and set them to values you wish to use (e.g. 900 and 1440, respectively).