Microsoft now has an official Ninite alternative, though it isn't quite the same. Like Ninite, "App Pack" lets you install multiple apps at once, though the latter works via the Microsoft Store. App ...

Once you’ve created a bootable media for the Linux distro and loaded it, you’ll be taken to a full-fat version of the OS.

Delete temporary files: This clears up system resources and removes any lingering malware. Open Settings, then go to Storage > Temporary files. Select the files you want to delete, and then select ...