Explanation
A user account that belongs to the local administrator's group has the permission to install software on a Windows machine. If a user receives a UAC (user account control) prompt when trying to install software, it means the user does not have enough privileges and needs to enter an administrator's password or switch to an administrator's account. Adding the user account to the local administrator's group can resolve this issue.
Configuring Windows Defender Firewall, creating a Microsoft account and disabling the guest account are not related to this issue. Verified References: https://www.comptia.org/blog/user-account-control
https://www.comptia.org/certifications/a

Explanation
To delete an empty directory, enter rd Directory or rmdir Directory . If the directory is not empty, you can remove files and subdirectories from it using the /s switch. You can also use the /q switch to suppress confirmation messages (quiet mode).

Explanation
This is because remote wipe allows the data on the smartphone to be erased remotely, which helps to ensure that sensitive data does not fall into the wrong hands.

Explanation
Robocopy is a command-line utility that can be used to mirror the source data for the backup. It can copy files and folders with various options, such as copying only changed files, preserving attributes and permissions, and retrying failed copies. Robocopy is more powerful and flexible than copy or xcopy, which are simpler commands that can only copy files and folders without mirroring or other advanced features. Copy-Item is a PowerShell cmdlet that can also copy files and folders, but it is not a native Windows utility and it requires PowerShell to run1.
References: 1: https://windowsreport.com/mirror-backup-software/