Hi Rosita, and welcome to the forum.
You will need to post in English to get the best chance of an answer to your problem.
But, a basic question: did your camera come with software? ThereÂ´s usually a CD of software which should include a video editor.
Apart from that, there are other converters and editors available...IÂ´ll leave it for others to make suggestions. Hopefully the translation here will provide enough information for the other members:
My Panasonic HD camera produces video in the MPEG-TS format. I would like to edit them with Movie Maker, but unfortunately it doesnÂ´t work.
I get: The file type is not supported 00003.MTS and the file can not be imported into Windows Movie Maker. Can anyone help me?
I know that the clips should be converted into another file, but I totally do not know how.
IÂ´m a layman, sorry