Categories .....

Please created a categories please tell me deatil
what is a categiries
Computers and Internet
Computers
--- Software

Nature and Escape
Animals
Adoptions, Rescue, Donations, Animal shelters
--- Dogs

Sciences and Knowledge
--- Religions

Society and Culture
Firemen, policemen and military force
--- Policemen

Sports and Hobbies
Cars - Bikes
--- Others
Fighting sports
Boxing
--- UFC, ultimate fighting
Horseriding, Cycling, Hiking
--- Horseriding
Indoor sports
--- Fitness



Actual forum category :
Games
---Video games
---Roleplay Games (MMORPG, WOW...)
---Other Roleplay games

I made in this type pleasea help me

Display>generalities
Structure & hierarchy
Split Categories on Index: Medium
Save.