Unlock OneDrive if it is disabled by company or school group policies.

UnlockOneDrive.ps1

$regpath = "HKLM:\Software\Policies\Microsoft\Windows\OneDrive"
$regname = "DisableFileSyncNGSC"

$OneDriveExe = $Env:LocalAppData + "\Microsoft\OneDrive\OneDrive.exe"

$value = Get-ItemPropertyValue -Path $regpath -Name $regname -ErrorAction SilentlyContinue
if ($value -eq 1)
{
    $command = '-noprofile -command "Set-ItemProperty -Path {0} -Name {1} -Value 0 -ErrorAction SilentlyContinue"' -f $regpath,$regname
    Start-Process powershell.exe -Wait -Verb RunAs -ArgumentList $command
}

$process = @(Get-Process OneDrive -ErrorAction SilentlyContinue).count
if ($process -eq 0)
{
    Start-Process -FilePath $OneDriveExe
}