RivaTuner v2.04 finally contains an Integrated Digital Certificate so it can be installed on Vista x64 systems without manually disabling digitally signed driver setting. plus it has support for 8800 Series's Shader Clock Overclocking too.
Download RivaTuner 2.04 (2.18MB Self Extracting Zip)
Download RivaTuner 2.04 (2.18MB Self Extracting Zip)