Note the date on the downloaded graphicrule file. 1/12/2013. This is how you can tell YOUR original graphicrule file from the HQ graphicrule file.
Always have both theses folders on your desktop. You are always going to use the copy and paste method from each of these folders to “select” which graphicrule file you will be playing with in your game.
So, your game presently still have your original graphicrule file in it. You never took it out. You simply copied it. Time to replace it with the HQ one, right?
Simply open your HQ Graphic Rule folder on your desktop, right click on the file, select copy. Now go to Program Files >Electron Arts>The Sims 3>Game>Bin and hit your Control key and the V key on your keyboard. This will paste the HQ version into this folder. You will get a prompt that asks if you want to replace the old file with the new file. Select yes or continue or whatever the prompt is.