Okay I like the fortunately song but I don't see anything going "forward" here, am I missing something?

Well I see people have been fretting over replacing windows on these MacGregor boats for years... Is there any definitive answer as to what is the correct way and what are the correct tools and what is the correct material to use to get this done? It doesn't seem like it would be rocket science but ...

Sure would be nice if those picture links worked...