Question: how to download xdcc files?
Answer: Download and install HexChat. ... 
Set up HexChat. ... 
Visit an IRC indexing site. ... 
Search for what you want at the above site.
In the search results, click the downward pointing arrow to the left of the desired result. ... 
Copy the command exposed in Step 5 to the compose field of HexChat as shown below. ... 
Hit Enter.