Can I Put a Lets go Eevee in a savefile to unlock Gigamax Eevee?

[lChros]

Ive got Let’s go pikachu and I would like to have both none of my friends has Eevee so I dont know if I can do what I did in the title. 

[north]

No, you can't. The only way is to have a Let's Go Eevee Savefile on your switch.

Here I attach my Eevee Gigamax, you can add it to your savefile.

133 - Eevee - C53375A2E40B.pk8

[lChros]

How can I do it? Im so sorry

[ReignOfComputer]

1 hour ago, lChros said:

How can I do it? Im so sorry

Edit your Sword/Shield savefile with PKHeX.