You can often find the latest updates and service packs, such as Service Pack 2 for Microsoft Access 2010 Runtime (32-Bit) or specific security Updates for Access 2010 , on the Microsoft Download Center.
Does your application require the for a specific legacy integration, or are you just looking for a way to open .accdb files ? Is Microsoft Access Database Engine 2010 still available? You can often find the latest updates and
Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\MyFolder\MyDatabase.accdb;Persist Security Info=False; Persist Security Info=False