see https://en.delphipraxis.net/topic/10502-acceptsecuritycontext-negotiate-not-working/

a package with:

• xxmHttp.exe
• xxmHttpDev.exe
• de demo's (demo2), compiled and ready to go
• xxm.json with all the paths (relative to xxmHttp*.exe)
• introduction and documentation
  ±186ms - anonymous - v1.4.0 r670