You need to log on to Oria to access your list of borrowed items. Start by selecting Sign in in the upper right corner.
Use your FEIDE credentials to log in, choose your correct institution affiliation according to the description.
Go to My account.
Click Renew all or check the loans you want to renew and click Renew selected.
A loan can normally be renewed if the loan policy and the maximum number of self-renewals have not been exceeded. 1-day loans and books with waiting list can not be renewed.