First of all get thechipmyster's window mode hack from this link (Note this hack works for every windowed mode hack"
Next goto Start menu - All Programs - Accessories - Accessibility and open up magnifier. Choose your magnifier zoom ( id go with 4x). Open up C.A ( id prefer launcher) and when Engine/C.A opens you move the game screen down a little bit. When you join a game and play the cursor will stay at the center like always so the magnifier will zoom in on where your cursor is on the top of the screen. This is very useful for maps like Snow valley cause when you scope even with a ACOG scope it will be like a sr zoom and when u scope with a SR scope it will become a zoom as far as the M107 (maybe further. Depends on the zoom u set) on the top of the screen. It makes it much easier to hit ppl far away with your gun.
If the Magnifer overlaps C.A you can drag it smaller.
If you want for fun u can overlap the whole screen at magnifier at 1x zoom and invert colors and make it look dope. ( some comps cant overlap the entire screen)
Make sure you turn off "follow text editing".
Make sure "follow mouse cursor" is on.
Make sure that "Show Magnifier" is on OR YOU WONT SEE THE MAGNIFIER.
Keep Magnifier Settings open so that you can set your zoom level.
I recommend having the magnifier screen about 1.5 Inches down from the top.
Don't exit Magnifier settings or the magnifier will close.
THANK ME IF I HELPED