After installing SQLserver, port 80 is occupied and Apache cannot run

First, let’s go to the two Baidu links I found at the beginning. I believe it can solve most of your problems.
Port 80 is occupied. Under normal circumstances, port 80 is occupied
by system. In special cases
, the problem I encountered is next. It was the problem of installing SQLserver. I didn't expect that SQLserver used port 80 for reporting errors. The next link is the resolved connection. The steps in this link that are not understood can be asked in the comments.
Port 80 caused by SQLserver is occupied