On Graphtec site, it does not say that the FC5100 is compatible with the CM4. It says Compatible CuttingMaster 2 is. Your cutter is listed on FREE Signblazer. It is a design and cut program. That cutter is probably close to 13-15 years old. This is the software that you need with Cutting Master 2
WIN REQUIREMENTS ▼
Win 10/8.1/8/7, 32&64 Bits
ADOBE LLUSTRATOR
CS3 - CS6
CC
CC2014
CORELDRAW
X4 - X7