If you like your Windows 7 in Malay (Brunei Darussalam), then you can download the latest Language Interface Pack (LIP) today.
Click here to download the Malay (Brunei Darussalam) Windows 7 LIP via the Microsoft.com Download Center in either 32bit or 64 bit versions.
Please note that the Malay (Brunei Darussalam) Windows 7 LIP can only be installed on a system that runs an English client version of Windows 7.
If you are after the Windows Vista LIP of Malay (Brunei Darussalam), you can find more info here.
Rob