Windows 10 Windows 10 recovery drive on usb is only 512MB

[rob54321]

Hi, when I make a recovery drive on usb on my desktop it is 16GB in size.
When I make a recovery drive on usb for a Lenovo laptop the drive is only 524MB in size.

Both are for the same latest version of Windows 10 and I clicked copy system files in both cases.

How would the Lenovo recovery of only 524MB reinstall Windows on that laptop with a new drive disk drive for instance?

Many thanks,

Rob