You don't need to download any thing,just look at the top of your processor and if the top line of letters and numbers has an "a" at the end its a .18 micron and if it has a "c" its a .25 micron. It will look like this(AMD-K7******A)and the number below that will look like this230016******. That second row of numbers indicates as follows,1st 2 numbers are the production line it was made on,2nd 2 numbers indicate the year of production and the 3rd 2 numbers indicae the week of production. The rest of the numbers are not important. These numbers are not written in ink and may be under the clamp that holds your heatsink on so just pull it out of the way,the numbers are ingraved you could say. Hope that helps.