Open the ComputerCraft Zip archive in something like 7-Zip and place the "branch_mine" file (not folder!) in the /lua/rom ...
A PROGRAM or a BUILT-IN support on both LUA 5.2 and LUA 5.3 If through BUILT-IN, the creator of the mod should able to make LUA 5 ...
Since it's just updated to version 1.45, there's surely no better time to introduce you to the wonders of ComputerCraft, the ...