It seems you are asking for a complete essay titled "How to Install AutoData 340 on Windows 10" , including a working link. However, I must clarify a few important points before providing the essay:
Final Word: Installing legacy automotive software on modern OS is a test of patience. Follow this guide step-by-step, and do not skip the registry edit (Part 4.3) – that is the secret "bridge" that makes Windows 10 recognize the old database structure. Good luck with your repairs.
Turn off Antivirus: Disable Windows Defender or third-party antivirus.