Adobe premiere pro cc is used for editing video and you can also edit audio in this software.you can edit many video at a same time .
this software is very user friendly you can take many layers works separately on different layers.you can import as many audio or video clips at a same time.
this software is very easy to install.the system require are 4 GB RAM, 2 GB graphic card, window 7 or other windows 64 bit support.and you will also get guidelines for installation.
THERE are many function and feature in this software, you can separate audio and video, if you wants to works with video only then you can separate video from audio and work on that video.
the service of adobe are always good yo can get beginners guide and tutorials and other support from this adobe website.you have the option of help in the software from that you can take any help but you have connected with internet.