HOW TO: FIX ERROR - "the 'microsoft.ace.oledb.12.0' provider is not registered on the local machine"

1) 'Microsoft.ACE.OLEDB.12.0' check this engine is available or not if not available download and install it .
2) If above mentioned engin is there in you system  right Click on you used project --- property and follow below screen.
here's some screenshots to show