The below categories are belong to Microsoft Windows only, You can select anyone which you preferred.

Main Category	Sub Category

Antivirus / Internet Security
Anti-Malware / Anti-Spyware
Audio Tools
Authoring Tools
Backup & Recovery
Boot Manager
Browsers	Tools
CAD / 3D / Science
CD / DVD Burning & Ripping
Communications Tools	Chat \| Email
Compression Tools
Converter Tools
Desktop Enhancements
Download Manager
Driver Updater
Ebook Tools
Editor
Education Tools
File Managers	Cloud Storage
Games for PC
Graphic Software
Hard Disk Tools
Internet Tools	Ad Blocking \| File Transfer \| FTP Clients
Mobile Tools for PC
Multimedia	Audio \|Players \| Plugins \| Video Tools \| Recording \| Webcam
Network Tools
Office Tools	PDF Reader & Editor
Operating Systems / OS	Win XP \| Windows Vista \| Win 7 \| Win 8 \| Win 8.1 \| Win 10
Others Tools
Portable Software
Programming / Development
Security Tools	Firewall Tools \| Password Managers
System Tools	System Tuning \| Utilities / Tweak
VPN & Proxy
Web Design