Prevent your computer from showing the screensaver/locking

prevent-idle.ps1

<#  This PowerShell script can simply be copied over to a "PowerShell IDE" window, and then ran for as long as you want.
    The time this script remains active (sending mouse events to Windows so it things you're "still there", is the number
  of iterations on line 6 (default: 200) multiplied by the number of seconds on line 11 (default: 290).
    If your computer locks/marks as Away on Skype/Teams only after 10 minutes for example, change 290 seconds to 590.
#>
<# If you get a "File cannot be loaded because running scripts is disabled on this system.", then type in the PowerShell ISE console:
powershell -ExecutionPolicy ByPass -File filename-here.ps1
#>
param($iterations = 200)

$MOUSEEVENTF_MOVED      = 0x00000001 ;

for ($i = 0; $i -lt $iterations; $i++) {
       Start-Sleep -seconds 290
       
       $Pos = [System.Windows.Forms.Cursor]::Position
       [System.Windows.Forms.Cursor]::Position = New-Object System.Drawing.Point((($Pos.X) + 1) , $Pos.Y)
       [System.Windows.Forms.Cursor]::Position = New-Object System.Drawing.Point($Pos.X , $Pos.Y)

$signature=@'
    [DllImport("user32.dll",CharSet=CharSet.Auto, CallingConvention=CallingConvention.StdCall)]
    public static extern void mouse_event(long dwFlags, long dx, long dy, long cButtons, long dwExtraInfo);
'@

    $SendMouseClick = Add-Type -memberDefinition $signature -name "Win32MouseEventNew" -namespace Win32Functions -PassThru
    $SendMouseClick::mouse_event($MOUSEEVENTF_MOVED, 0, 0, 0, 0);
}

<#  For the curious people, here are the other mouse event ID's, in case you want to actually move the mouse few pixels to the left/right, etc.
  $MOUSEEVENTF_LEFTDOWN   = 0x00000002 ;
  $MOUSEEVENTF_LEFTUP     = 0x00000004 ;
  $MOUSEEVENTF_RIGHTDOWN  = 0x00000008 ;
  $MOUSEEVENTF_RIGHTUP    = 0x00000010 ;
#>

Note: If your company policy forces your computer to lock after a few minutes of being away, there's a security reason behind it.
Make sure that you're only running the script on controlled environments like being alone at your apartment, and not somewhere public like a cafe, the office, etc.