- Clone dangerously full Win10 SSD to 8X larger SSD.

- Remove full SSD, install big SSD.
+ Win10 boots normally.

- Install full SSD for use as extra storage.
+ Win10 boots normally from big SSD.

- Clean up data, fix up system, update apps.
+ At some point, Win10 boots from full SSD instead.

- Remove full SSD, leave big SSD in.
+ "RECOVERY
Your PC/Device needs to be repaired
A required device isn't connected or can't be accessed.
Error code: 0xc000000e"

- wat