About:This is a simple patch that allows Battlefield Vietnam to use up to 4gb RAM instead of the restricted 2gb.
Once downloaded, you will need to extract it using WinRAR or 7zip, then you need to simply run the 4gb_patch.exe file and it will auto run. You experience a notable different in map loading times.
This patch will only work if you actually have more than 2gb of RAM installed. It would perform best as well if you are using a 64bit Windows installation. However it's not a pre-requisite.
If you encounter errors and wish to uninstall it, please re-download the Battlefield Vietnam no-cd patch and follow the steps for it.