: This is a "Git hash," a unique identifier for the specific commit in the RPCS3 source code that this build was created from.
: Specifies that this version is compiled for 64-bit Windows operating systems.
: The specific version and build number. In this case, it is version 0.0.26, build 14704.
: Indicates the file was sourced from EmuCR (Emulator Critics), a website that provides automated "bleeding edge" builds of various emulators directly from their source code repositories. rpcs3 : The name of the emulator (PlayStation 3).
The text refers to a specific automated development build of RPCS3 , the open-source Sony PlayStation 3 emulator, hosted by EmuCR .
: The file extension for a compressed archive created with 7-Zip.