When you click the place -> manually, do you see the components in there? Maybe try reading that sentence again and doing EXACTLY as I said. You need to check the checkboxes, place the components and THEN click ok.
option 1: use the slide tool on the left to move the traces
option 2: use the delete tool on the top to delete stuff. You need to select what you want to delete in the Find tab on the right BEFORE you use any tool.
What you did in schematic is exactly the same as on the board. So go to the schematic and change what you need, then do netlist again and update the board.
for creating gerber file i was reading the link u said....
According that tutorial goto display like this and then maufacture but when i goto viewlog its says photoplot.log does not exit, why?