This is the Array VideoOne Recorder patch. It is for Windows 95 only. NT 4.0 can not use it and does not need it.
It includes 3 files: keystone.vxd the patch file itself readid.exe to verify you have the Recorderer Card read1st.txt this file
To install, first run readid.exe in a DOS window. If it says "VF200 Producer", delete these files and go back to the ftp site and download 95patchp.zip. If it says "VF100 Recorder", continue with the steps below.