https://kb.1ci.com/1C_Enterprise_Platform/FAQ/Administration/Misc/Installing_1C_Enterprise_platform/
Unzip downloaded archive and find the file setup.exe:
Double click on the file to start installation, then click next:
Select for installation the features:
Click Next and Finish on the subsequent windows to complete the installation:
Open 1C Enterprise application clicking the icon on your desktop and click "Add" to add a new database in your list:
Select the option to add existing database:
Depending on the type of your database and connection select appropriate option, specify details, then click Next and Finish:
If the database is placed in the folder in your network then select the option #1 and specify the path.
If you have a link to connect to the database then select the option #2 and past your link there.
If you use server database and connection then choose the option #3 and specify server and database names.
To check connection select your database and click "1C:Enterprise":
If everything is done correctly then you will see the screen presenting user and password input: