depends on the web browser you use.
Both chrome and firefox have flash video capture utils for youtube that add a download button under the video. I use 'easy youtube video downloader 6.5' on firefox.
No complaints, just keep in mind the downloaded videos will be in the flash movie format.
System Manufacturer/Model Number Insane hobo technologies. ;-) OS Windows 7 x64 CPU Intel i7 2600k Motherboard Asrock z68 extreme 4 gen 3 Memory G.skill Ripjaw 16gigs @ 1866 Graphics Card Nvidia gtx580 (evga) Sound Card Integrated HD audio + hdmi Monitor(s) Displays 24" ASUS widescreen + 42" insignia Screen Resolution 1080p (1920x1080)
Keyboard Microsoft wireless 3000 (v2) Mouse MS - wireless 5000 (bluetrack) PSU 1 kilowatt SLI/Crossfire rated Silverstone modular Case NZXT Phantom + additional 220 fan Cooling Zalmann Hard Drives 128 Samsung 830
256 Samsung 840
3 x 1tb storage drive (various)
1 western digital 1tb (eSATA)
1 Seagate 1tb (eSATA) Internet Speed depends on if you ask me or my provider. Other Info The above information is provided as is, and the author assumes no responsibility for issues it may cause with your sanity or fanboyism.