How to Turn off Cortana on Windows 10
This is a step by step guide to disable the annoying Cortana from your PC.
The method is:
1. Hold the Windows Key and Press R to bring up the run box.
2. Type Regedit and press Enter
3. Scroll down to Computer\HKEY_Local_Machine\SOFTWARE\Policies\Microsoft\Windows\
4. Add a Key called "Windows Search"
5. Create a DWORD (32 Bit Value) called AllowCortana
6. Modify Decimal Value 0
7. Logout and Login