In the Peforming the Upgrade document , step 5 :

Code
Upload all files and directories from the 
unzipped UBB.threads™ directory to the 
UBB.threads™ installation directory
Does it mean "overwrite" all files in the (7.2.2) directory ?



English is not my native language. I try my best to express my thought precisely. I hope you understand what I mean. If any misunderstanding results from culture gaps, I apologize first.