How to backup and restore IIS another server and another IIS version

Today I have a problem to change data in window server 2012 r2 to window server 2019

How to backup and restore IIS?
1. choose the backup raw file Physical Path in IIS

2. The new server (Window server 2019), please create name folder same old server

3. The old server (Window server 2012). please backup IIS

• run script in cmd

cd c:\Windows\system32\inetsrv
appcmd add backup filenamebackup_2020

4. The new server(Window server 2019). please restore IIS

• Please copy filenamebackup_2020 to path c:\Windows\system32\inetsrv\backup
• run script in cmd

cd c:\Windows\system32\inetsrv
appcmd restore backup /backup.name:"filenamebackup_2020" /stop:true

Success… and Complete

References :

How can I copy all IIS setting, configurations, application pools from one IIS box to another?

IIS backup and restore