The installation process is a "resource hog." It can take a long time to unpack, pinning your CPU at 100%. If you have an older PC, the install might take longer than the actual download. The Case for Black Box (The Speed King)
Are you running into any specific like limited RAM freezes? fifa 14 black box fitgirl repack better
FIFA 14 was the last "easily moddable" engine before EA moved to Ignite and eventually Frostbite. With a FitGirl or Black Box base, you can install patches that: Update and kits. The installation process is a "resource hog
You have a or slow internet (need the smallest file). FIFA 14 was the last "easily moddable" engine
(or similar "light" repacks like DODI ) if you have unlimited internet but a lower-end PC , as it avoids the 100% CPU stress that can cause "stuck" installations on older hardware. FIFA 14 System Requirements
If you've decided Black Box is better, here is the safe way to do it.