Designs are .pes
format in the .zip format. You will need
WINZIP or
another unzipping utility in order to use them.
If you need to
convert from pes to another format you can download this
free software:
http://www.pulsemicro.com/Product%20Pages/tdgmlbp/tdgmlbp_ambassador.htm
If you need to
resize any design you can download this free software:
http://www.wilcom.com.au/truesizer/