1. Go to Identify and Select your Filters or leave it empty
2. Click on Date range and choose how far away you want to re-score e.g. Last 12 Months
3. Check select all leads or select leads on that page
4. Click on the Retrigger Qualifications icon on the top right
5. Refresh the page and then. Leads will look like this and the Lead scoring process might take a few hours.