While ShadowPlay doesn't officially release before tomorrow you can now have a try now via leaked drivers 
( 64 Bit version - Vista, 7 & 8 )
The new GeForce 331.65 WHQL driver ensures you’ll have the best possible gaming experience in Battlefield 4 and Call of Duty: Ghosts. These Game Ready drivers will also provide performance enhancements in a wide variety of different games.
In addition, the new 331.65 Game Ready driver is bundled with GeForce Experience v1.7 which includes support for two highly-anticipated new technologies. NVIDIA GameStream™ provides end users with the ability to stream PC games from their GeForce GTX-equipped PC directly to a SHIELD device. This update also introduces the Beta version of GeForce ShadowPlay™, an innovated new game capture tool with exceptional features and performance.
New in GeForce R331 Drivers
Vista/W7/W8/W8.1 x64 - http://ru.download.nvidia.com/Window...ional-whql.exe
This is useful for recording of video games at better performance using Nvidia based hardware. However some have said it's of lower quality but not by much

( 64 Bit version - Vista, 7 & 8 )
The new GeForce 331.65 WHQL driver ensures you’ll have the best possible gaming experience in Battlefield 4 and Call of Duty: Ghosts. These Game Ready drivers will also provide performance enhancements in a wide variety of different games.
In addition, the new 331.65 Game Ready driver is bundled with GeForce Experience v1.7 which includes support for two highly-anticipated new technologies. NVIDIA GameStream™ provides end users with the ability to stream PC games from their GeForce GTX-equipped PC directly to a SHIELD device. This update also introduces the Beta version of GeForce ShadowPlay™, an innovated new game capture tool with exceptional features and performance.
New in GeForce R331 Drivers
- Performance Boost – Increases performance by up to 19% for GeForce 400/500/600/700 series GPUs in several PC games vs. GeForce 327.23 WHQL-certified drivers. Results will vary depending on your GPU and system configuration. Here is one example of measured gains:
- Enables GeForce ShadowPlay™ technology
Vista/W7/W8/W8.1 x64 - http://ru.download.nvidia.com/Window...ional-whql.exe
This is useful for recording of video games at better performance using Nvidia based hardware. However some have said it's of lower quality but not by much

SHADOWPLAY IS AMAZING!!! i recorded playing AO with full maxed out physxx high txaa 1080p game ran 80+fps while recording it went down only 1-2fps, so smooth i think it got ability to record 120fps as well, cause when i viewed the video it indeed seem to have the smoothness of 120hz with 100+fps.
Wow .. it works really well! I'm impressed! Is there any way to make the recording indicator visible only when it is recording? I don't want that grey circle to be there all the time.
Works better than expected!!
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