Database backup restore on lower version in SQL Server

How to restore a higher version SQL Server database backup file onto a lower version SQL Server?

Script generation - Tasks -> Generate Scripts. Make sure you set the desired target SQL Server version on the Set Scripting Options -> Advanced page. You can also choose whether to copy schema, data, or both.

select "Schema and Data" - if you want to Take both the things into the Backup script file

select Schema Only - if the only schema is needed.

Note that in the generated script, you may need to change the DATA folder for the mdf/ldf files if moving from non-express to express or vice versa.