Problem: How to restore the database from Backup (Self-hosted)?
Solution: In order to restore the database from the Backup (Self-hosted), you need to do the following:
Please find an example below how to create an empty Infobase and restore a backup into this Infobase.
1. Open the Application on your desktop > click Add.
Select Create Infobase > Next. 
Choose Create Infobase from template:
If you don't have this configuration, download it from the link:
After downloading the file of configuration, extract the files to the current folder:
Double-click to start the configuration installation > Next:
Continue the installation of configuration > Next:
As configuration installed successfully > Finish installation:
Enter the name of the Infobase > Next:
Specify the path or the software will write it itself > Next:
Finish adding Infobase:
2. Open the program in Designer mode:
Go to Administration > Restore infobase. Specify the file to download.
Agree or disagree with message to continue restore of the Infobase:
Restoring is in process:
As Infobase restore successfully, a pop-up message appears:
After re-open of the Designer, go to the Enterprise:
If you don't see this icon, then add it:
Also, it's possible to open program as usual.
The 1C: Enterprise is open and ready for work.