2. Unpack the archive and upload extracted files to ow_plugins folder on your server.
3. Go to your Admin Panel > Plugins > Available Plugins section. The plugin you uploaded should appear in the list.
4. Click 'Install' to install the plugin you need.
I figured out how to load the plugin from Remote.
I would replace existing plugin with the plugin of my old database? then change the name of the configuration database in php? and then update?
Have you installed the same plugins you had on your website?