It sounds like you want to assemble a text instruction or command related to updating a specific DLC pack for a game (likely Grand Theft Auto V, given the x64/dlcpacks/ structure and .rpf file).
Update the x64/dlcpacks/mpg9ec/dlc.rpf file with the latest version. Or if you need it as a command (for a modding or file replacement context): update x64 dlcpacks mpg9ec dlc.rpf
Here’s a clear, single-line text you can use: It sounds like you want to assemble a
Copy / replace "dlc.rpf" into "update/x64/dlcpacks/mpg9ec/" update x64 dlcpacks mpg9ec dlc.rpf