Turn off/on password sharing doesn't exist

Computer Type: PC/Desktop
System Manufacturer/Model Number: Custom-built desktop PC
OS: Windows 10 Pro 64-bit 21H1 (May 2021 build 19043.1083)
CPU: Intel Core-i7 3770 3.40GHz s1155
Motherboard: Asus P8H61 s1155 ATX
Memory: 2x Kingston Hyper-X Blu 8GB DDR3-1600
Graphics Card: Asus GT620-1GD3 (nVidia GeForce GT 620 1GB DDR3)
Sound Card: Realtek HD audio (ALC887)
Monitor(s) Displays: Sony Bravia KDL-19L4000 19" LCD TV via VGA
Screen Resolution: 1440x900 32-bit 60Hz
Keyboard: Mitsumi 101-key PS/2
Mouse: Sunnyline OptiEye PS/2
PSU: Thermaltake Litepower RGB 550W Full Wired
Case: SUPERCASE MIDI-TOWER
Cooling: 1x 8cm fan at the back
Hard Drives: Western Digital Caviar Green 480GB (WDS480G2G0A-00JH30) SSD as system disk, Western Digital Caviar Purple 4TB SATA III(WD40PURZ) as second
Internet Speed: 30Mbit VDSL
Browser: Internet Explorer 11, New Edge browser
Antivirus: Avast Free 2021