im playing enhanced edition but in very low quality
here my system ;

Microsoft Windows XP Professional

QuadCore Intel Core 2 Quad Q8400, 2666 MHz (8 x 333)

motherboard Foxconn G31MVP/G31MXP

ATI Radeon HD 4350 (RV710)

RAM 2048

if i use windows7 ,will problem fix ?

your system seems not that bad to play tw1.

kill any running applications :
- Shutdown steam
- avast
- avg
- bittorent
- other apps not used during gaming
avast for example is known to eat resources.

in options try downsizing the AA and details

should at least give a few extra FPS

thank you and also could windows 7 installation effect fps?

Windows 7 won't make a difference. If anything, it may cause trouble; that particular motherboard doesn't get along well with it.

That GPU confines you to playing on low settings, though it should play pretty well on low.

i use win 7 and the only difference is that you can put in more RAM.
no real performance gains but less bugs :)
as cream says to , you should be able to run things fine on low gfx.

You may have to adjust some of the settings. For me, just turning the graphics down to low wasn't enough to make the game run smoothly. I made a few other adjustments:

Turn off Antialising. I think this made the biggest difference in the framerate. This was the last setting that I messed with. Now that it is turned off, I think I may be able to turn some other things back up, but I haven't tried yet.

Depth of field on. I turned this on because people were saying that it would make the cut scenes run smoother. I'm pretty sure it helped.

Turn Anistropic filtering down? I experimented with this before I turned off Antialiasing. I think it helped, but the framerate was still kind of jerky sometimes. I've got it set to somewhere around 2x or 4x now. It was higher when my settings were just set to low.

I'm running Windows Vista with a 2.4 GHz Intel Core2 Duo, 3GB Ram and a GeForce 9500 1GB.

Lighting and shadow settings should also be turned down; they usually improve performance a lot. But this may have already been done by setting the graphics to Low.

I think it needs to be said that those of you who posted your specs have, shall we say, inadequate video cards to handle this game.

The Radeon HD 4350 isn't what I would call a gaming card and the GeForce 9500 is a pretty weak chip despite its 1gb memory.

I had the exact same issues with my old GeForce 9800GTX. The gpu was just too antiquated and this game, even at lowest settings, ran poorly. I managed to find a GT 220 for $70 and it made all the difference. Now I play it with everything maxed and there hasn't been one fps hiccup yet.

TLDR; You probably won't get rid of the low fps problem unless you upgrade your video card.

An upgrade is in order, but the previous poster's advice is useless.

The 4350 is about enough for this game to be playable on Low.

The previous poster's 9800 GTX should have maxed the game out. I can think of some reasons why it couldn't, such as trying to run a high-power card with an inadequate power supply, or not maintaining good computer hygiene (not keeping drivers up to date, not getting rid of crapware, letting dust accumulate), but for most of us, those reasons will not obtain.

The GT220 is as minimially suitable for gaming as the 9500 GT model it replaced.

Suitable upgrades that won't also require a power supply upgrade would be:

nVidia GT 440 (alternatives: the GT 240 is two generations old, the GT 520 isn't strong enough)

AMD/ATI HD 5670 or 6670 (alternatives: the 5570 and 6570 are gimped versions)

Increasing RAM to 3GB or 4GB would also help. Don't upgrade to Windows 7, though: that model of motherboard is well known to have compatibility problems.

lol i played the game to completion on 3 year old integrated graphics WHATSAYYOUNOW

not even kidding. snape kills dumbledore.

You guys are right that my 9500 card is a little bit old and weak, but the game is running nice and smooth for me now. I just got to the old part of Vizima. I understand there is a marketplace area somewhere where everybody has framerate problems, but I have not been there yet. In the outskirts of Vizima and the old part of the city it runs well.

It looks like putting graphics on low takes everything down to it's lowest setting except for Antialiasing and Anistropic Filtering, so these were what I experimented with. I think Antialiasing is the big framerate killer.

The low graphics setting also has Depth of Field turned off and people have said it is better to have it turned on. I think it is running better for me when it is on.

Depth of Field should only affect in-engine cutscenes and conversations. It is not used elsewhere. For many people, these scenes run MUCH slower than the rest of the game unless the Depth of Field setting is toggled. For some (including me) turning it on helps, for others turning it off helps.

? I think there's something else that's wrong. I easely maxed out the Witcher 1 on my old 8800GT. If a GT220 (about 1/4th of the performance of a 9800GTX) runs the game better than your old card, you probably have some PSU issues or serious driver troubles.

You should be getting low settings with pc spec like that. Time for a upgrade me thinks.

I'm sure if the OP could read this advice four years ago when the topic was started (and ran its course and died), he would...still not find it very helpful. But if it makes you feel any better, he's likely to have upgraded his PC at least once since this thread was active. =)