How to create 2nd account in windows 10,11 for secure your account Data

Windows Account, 2nd Account, Create 2nd Account in Windows. Secure your data from Another Account, CCTV, SOLAR SYSTEM, PRINTERS, SCANNERS, TONNERS, REPAIRING LAB, SECURITY DEVICES & SETUP, WEB DEVELOPMENT, NETWORKING (LAN-WAN), WIRELESS NETWORKING-POINT 2 POINT LINK, SERVERS INSTALLATION & CONFIGURATIONS, SWITCHES - LAYER 2,3, FIREWALL, NMS, I.T EQUIPMENT PROVIDER, DELIVERY OF I.T EQUIPMENT AND REPAIRING AT YOUR DOORSTEP.