Modify the string value named SnapSizing.Tip: You can access any desired Registry key with one click. Go to the following Registry key: HKEY_CURRENT_USER\Control Panel\Desktop.To disable vertical maximizing of a window in Windows 10, you have to follow the instructions below: Double click on the top edge where the point turns into a double headed arrow, to vertically maximize it.If you never tried vertically maximizing a window, you can test it as follows:
