Once you've completed the setup wizard, data will start flowing into your Google Analytics 4 account. It takes about 24 hours for Google to process the data, so you won't see today's data in the GA4 reports until tomorrow. However, you should see data in GA4 Real Time report.
The below additional steps are optional, though highly recommended for some stores.
How to add referral exclusions to your Google Analytics data stream
Update your data retention settings in Google Analytics 4
How to define and filter internal traffic out of your GA4 property.
How to configure cross domain traffic if you have multiple root domains pointing to the same GA4 property.
How to link your Google Analytics 4 property to Google Ads
How to add additional conversions to Google Analytics 4
How to enable Google Signals in Google Analytics 4
