Configuring TeXworks
Select Preferences in the Edit menu.
UTF-8
Under the Editor tab: select UTF-8 as Encoding:
Biber
Select the "Typesetting" tab. In the "Processing tools" frame: select BibTeX and click the "Edit" button on the right:
Then fill in the form as follows::
In some cases the biber program is not located as shown. Use the Browse button to locate it. Normally it is included in the MikTeX distribution.