1. Go to Control > Reports > People > Donor report
2. Set your date range > mark Filter the report result by conditions I build
3. Click Next
4. Select this criteria: Donation Amount (Total) >= $25
Note:
You can use different criteria using <,>,>=, etc to specify the date you are looking for.
5. Click Next > select columns to display
6. Click Finish > No, Run the report immediately