Configuration

Once the extension is installed successfully, go to Stores>Configuration to configure the extension for use.

Hreflang Tags: You can enable or disable the hreflang extension from here. With just one click you can utilize the features of this extension. Once you select the enable option, this extension will automatically be implemented on all the web pages.

Then move to the below path

Stores -> Configuration -> General -> Currency Setup -> Currency Options

Select the store scope.

Default Display Currency: Select the default currency displayed for the selected store scope.

Allowed Countries: Select the currencies permitted for the selected store.

Then move to the below path

Stores -> Currency -> Currency Rate

Setup the currency rate for all the currency you have selected in the allowed currencies.