how to get Restore disk

Since 2006 and the media reduction program disks are not issued.

OEM DVD's  are the next best thing.

https://www.newegg.com/microsoft-windows-10-pro-64-bit-reinstall-recovery-disc-only-no-license-key-included/p/N82E16832350238

Option 1 is support assist Recovery for newer models

https://www.dell.com/support/kbdoc/en-us/000177401/

Older models can use the media tool.

Requires Dual Layer DVD since 1803

You can make an installer from the media tool.

Download the Microsoft Media Creation Tool from: https://www.microsoft.com/en-us/software-download/windows10

Update now
https://go.microsoft.com/fwlink/?LinkID=799445

Media Tool
https://go.microsoft.com/fwlink/?LinkId=691209

Use USB 2.0 32 gig flash drive.

Buy Retail so that it works and isn't fake.

Its not horribly expensive and its still available but not for long as they don't make them anymore.

https://www.bestbuy.com/site/sandisk-cruzer-32gb-usb-2-0-flash-drive-black/9288807.p?skuId=9288807