Since you posted in the Phex program section, you are free to download Phex, it's a great program & is FREE. Has some nice tools not even LW has such as size filter.

On topic of downgrading LW, yes you can. Look in appropriate sections of the forum & you will find a link which explains how. What does pro give you? Connecting to 5 ultrapeers instead of 3 for a start, which should mean some improved search results.