If you have a server, go to the
\Personal Tax]\Nodeins\Updates\MSOLEDBSQL\
folder on the server.
If you don't have a server, go to the installation download. Right-click to extract the ZIP file.
Run the appropriate MSI file for your Windows installation (32 or 64 bit) and follow the instructions in the wizard.
If you are prompted, reboot your computer or the server.
Install the program.