1. Install the Autodesk Inventor Professional 2019 2. Go to folder named "CRACK". Install Network License Manager ("nlm18.104.22.168_ipv4_ipv6_win64.msi") and change "this_host" in ADESK.DAT to your host name. Setup & start license server (LMTOOLS Utility) and Select "Configuration using Services" Go to "Config Services" tab and Select "path to the lmgrd.exe file" to your lmgdr.exe (typically C:AutodeskNetwork License Managerlmgdr.exe) , Path to License file (Choose to show *.dat files) and select "ADESK.DAT) Go to "Start/Stop/Reload" TAB and click "Start Server" (see http://knowledge.autodesk.com/sites/default/files/file_downloads/nlm22.214.171.124_ipv4_ipv6_win64_readme.htm if you have problems) 3. Disconnect the Internet (if it is possible) and start Autodesk Inventor Professional 2019 and Choose Multi User Select License server model: Single License Server type "locahost" in Server name Inventor Professional 2019 will generate folder that ends with _2019.0.0.F located in ProgramDataAutodeskCLMLGS Exit Autodesk Inventor Professional 2019 3. Copy/overwrite LICPATH.LIC to all subfolders by path ProgramDataAutodeskCLMLGS Like - ProgramDataAutodeskCLMLGS128K1_2019.0.0.Flicpath.lic - ProgramDataAutodeskCLMLGS919K1_2019.0.0.Flicpath.lic 4. Run inventor2019crk.exe 5. Start Autodesk Inventor Professional 2019 and Choose Multi User Select License server model: Single License Server type "locahost" in Server name 6. Enjoy!