I'd suggest googling for your particular version of Silkypix. Here's one for version 4.4SE:
http://www.isl.co.jp/SILKYPIX/english/p/product/manual/man0001.html
The latest version of Pentax Digital Camera Utility is available as a free download. It is based on Silkypix, but the interface is quite different.
Although the latest version of PDCU is meant to be an upgrade to qualifying products,(which don't include Silkypix), it can be installed as a clean install using a simple workaround:
https://www.pentaxforums.com/forums/16-pentax-news-rumors/319705-digital-came...e-5-5-1-a.html
For Pentax DCU, see these helpful guides:
https://www.pentaxforums.com/forums/61-post-processing-articles/206286-pentax...ini-guide.html Engaging with Ricoh's Digital Camera Utility v5 - Articles and Tips | PentaxForums.com