How to change 2 properties in Xcode 4?
For the first one Press,

A quick way :

cmd + shift + :

A permanent way

Click on Edit&gt;Format&gt;Spelling and Grammar&gt;and then select "Check spelling while typing"



For the second question,

Goto Xcode&gt;Preferences&gt;Text Editing&gt;Indentetion and then select "Wrap lines to editor width".


As shown in this picture,