Independent NumLock and keypads NumLock won't affect keyboards NumLock and vice versa

Windows XP/Vista/7/8/8.1/10 PC with USB port

SPEC 

Model : KBP V20
Switch : MX Brown , Blue , Red , Silent Red
Keycap : PBT Double Shot - Olivette Neo
Key pitch (mm) : 19mm
Key stroke (mm) : 4±0.5mm
Interface : USB
Color : Black
diamension (mm) : 96 mm (W) × 134 mm (D) × 38 mm (H)
Cable length (m) : 0.9m
Weight (kg) : 0.25kg