What is the system requirement?

Win95/98/NT/Me/2000/XP(win XP is recommended)
·500Mhz or better CPU
·64M or more RAM(64M is enough but 128m will be better more).

You can use the trial version free, but trial version is a limited function, and we need food for living, so we do need your support.

Yes, it is absolutely secure and fast.If you are not satisfied with our product, we promise your money refunded in 30 days.

Normally, you will receive your registration information within 72 hours after sending the online order form. If you do not receive your registration information within 72 hours, or you have lost the registration email, please contact us by email support@twodownload.com We will be glad to help you.

Can not rip whole DVD movie from XXXXX.ifo,or occurs "Decoder not inited. Select IFO file first."why?

This problem is caused by the copy protection of your DVD disc. To unlock the DVD disc you can select "use aspi for DVD driver to access DVD driver" in the "setting -> input " dialog.

This is because you have not install the Windows Media Format Runtime Library for supporting WMV,ASF files. download it from here and install it.

You should firstly install QuickTime Player to support MOV,QT files.

We need to the library to support convert every format in to iPod mp4 format.

• Divx 5.x Codec for DivX MPEG-4 format file
• Xvid Codec for Xvid MPEG-4 format file
• Windows Media Format Runtime
• QuickTime Player to support MOV, QT
• RealPlayer to support RM or Install Real Alternative to Play realmedia files in Window Media Player

What is an ASPI driver?

An ASPI driver is required for DVD ripping. Windows 95 or 98 comes with the ASPI manager pre-installed, while NT does not. To tell if you have an ASPI manager installed, look for a file called WNASPI32.DLL in your Windows system directory (c:\windows\system or c:\winnt\system32 are common locations).

How to install ASPI?

1 . download adaptec ASPI driver 4.71 in http://www.twodownload.com/download/aspi471.zip
2 . unzip the file.
3 . double click aspiinst.exe to install ASPI driver 4.71.
4 . double click the REG_XP.exe file to register if you are not experienced editing the registry .
5 . reboot and try again.

What is AVI?

AVI stands for Audio Video Interleave. It is a special case of the RIFF (Resource Interchange File Format). AVI is defined by Microsoft. AVI is the most common format for audio/video data on the PC. AVI is an example of a de facto (by fact) standard.

What is Divx?

Digital Video Express (DivX) is a digital video compression format based on the MPEG-4 technology. DivX files can be downloaded over high-speed lines in a relatively short time without sacrificing the quality of the digital video. Often used on the Internet to exchange video files.Originally developed for DVD encoding (650 mb = 80-90 min. at 640x480, standard bitrate), DivX has become the internet video format of choice for high-quality productions.

What is ASF?

The Advanced Systems Format (ASF) is the file format used by Windows Media. Audio and/or Video content compressed with a wide variety of codecs can be stored in an ASF file and played back with the Windows Media Player (provided the appropriate codecs are installed), streamed with Windows Media Services or optionally packaged with Windows Media Rights Manager.

What is WMV?

WMV is a generic name of Microsoft's video encoding solutions and doesn't necessarily define the technology what it uses -- since version 7, WMV (Windows Media Video) Microsoft's proprietary compression format for motion video, Windows Media Video is used for both streaming and downloading content via the Internet.

What is WMA?

WMA (Windows Media Audio) Developed by Microsoft, Windows Media Audio is one of today's most popular 'Net audio formats. Though not as popular as MP3, WMA tends to outperform MP3 in the area of sound quality, particularly with files encoded at lower bitrates like 64 or 96 Kbps. This performance advantage makes it handy for applications like portable digital audio players, where total play time is limited by a finite amount of internal memory. The Windows Media Audio format features built-in copy protection abilities, unlike MP3. Windows® XP, Microsoft's current flagship operating system software, contains native support for WMA encoding, enabling users to create their own WMA music files.

What is MPEG?

MPEG (pronounced M-peg), which stands for Moving Picture Experts Group, is the name of family of standards used for coding audio-visual information (e.g., movies, video, music) in a digital compressed format. The major advantage of MPEG compared to other video and audio coding formats is that MPEG files are much smaller for the same quality. This is because MPEG uses very sophisticated compression techniques. Current standards that exist include, MPEG-1, MPEG-2, MPEG-3, and MPEG4. MPEG-1 is a standard for CD-ROM video and audio.MPEG-2 is a standard for full-screen, broadcast quality video.MPEG-4 is a standard for video telephony.

what is MOV/QT?

a file format for Quicktime movies and animations, developed by Apple Computer Co. it can actually be used to store both movies and sounds. A file with this extension could thus be either an audio file or a movie file. Both types are supported by many different platforms. Note though that there are several different versions of QuickTime files in use, and not all players will play all versions.

what is RM?

RM (RealMedia) is a digital sound and video file format that is the registered trademark of RealNetworks. This format is typically used to stream media through the net. It can be played with the RealOne player or with other media players using the Real Alternative codec. RealMedia (comprised of RealVideo, RealAudio, and other file formats created by Real) use compression algorithms for eliminating data.

what is RMVB?

Rmvb is an abbreviation for Real Media variable bitrate. It is a type of video file, playable with RealPlayer from RealNetworks.

What is IFO file ?

IFO file is a DVD information file that store information about Chapters, Subtitles and Audio Tracks.

What is MP3 ?

MPEG Layer 3. An new standard for audio compression. It is capable of 10:1 compression with no noticeable loss in quality. MP3s have become a popular way to distribute CD quality music on the Internet.

If you need a specific support, please support@twodownload.com contact us ,It's our pleasure to help you