My video picture and audio are not synchronous. What is the problem and how to fix it?

I play multiple instruments and i would like to make a cover video of me playing all of the instruments, in one video. I've seen a lot of other videos where its done,but i'm not sure how to do it in windows live movie maker or if it is even possible in windows live movie maker. I think it can be done but I just have no idea how. Please give specific instructions on how or a different program where i can do that.

Typed in Activation Code, but nothing happens.

You state on your web page your Total Media Converter will take itunes videos and convert them to, for example MKV format. I would like to take videos I have purchased, convert, and put on a media drive to watch on TV without having to use a Apple device as the play source.
Does your software perform as your web page states? If so what is the trick?
If you tell me I have to purchase the product to enable that feature it undermines a trial of your product.

how to download avideo?

I have no experience on Blu ray files and disk yet. I haven't bought a single movie in blu ray.
So I would like to ask, do I need a special media player to play blu ray movies downloaded from the internet? How about from a blu ray disk inserted into the disk drive?

I wanna rip blu-ray to PS3 (Sony Playstation 3) and create my own favorite movie collections (HD). How can i do this?

Need updater for Mac Tunes Cleaner. Catalina will not launch to update within app.

I just bought an iphone from the store but dont know how to listen to music. I have trouble listening to gwen stefani.