You cannot download Microsoft Jet OLEDB 4.0 as a standalone installer anymore. Microsoft integrates the Jet 4.0 engine directly into modern Windows operating systems. It comes pre-installed on Windows 10, Windows 11, and modern Windows Server editions.
If you must stay on a 64-bit platform, you should stop using Jet.OLEDB.4.0 and switch to the provider, which supports both 32-bit and 64-bit . How to get a x64 version of Jet? - Microsoft Community Hub
Download and update connection strings.
If you want, I can:
Download and install the 64-bit version of the . Open your application code or configuration file. Replace the connection string provider: download microsoft jet oledb 4.0
Because JET OLEDB 4.0 is legacy technology, consider the following security principles if you must use it:
Instead of looking for a non-existent 64-bit Jet download, use one of these proven solutions: Solution A: Change Your Application Build Targets You cannot download Microsoft Jet OLEDB 4
You cannot use Jet 4.0 directly. You must download the Microsoft Access Database Engine 2016 Redistributable (64-bit) or newer and update your connection string to use the ACE provider. The Critical Shift: Jet vs. ACE