Because you want to increase the security of your computer or your client's or your company's or your parents' computer.
A Remote Desktop can be used by scammers pretending to offer technical support.
A Remote Desktop can be used by scammers pretending to offer technical support.
You don't need it on unless you know what you are doing, and it is for specific and legitimate reasons. Most of the time, it should be turned off.
In a Windows computer go to the Settings (shortcut = press the Windows icon + the letter I) > System> scroll down > click Remote Desktop > click on the toggle next to the Remote Desktop option to turn it off.
You will be prompted to confirm your decision and click on the Disable button and exit the Settings.
Some versions of Windows do not support this feature and you will see a red sentence stating something similar or variation of this, "Your Home edition of Windows 11 doesn't support Remote Desktop."