Hyper-V virtual machine snapshots and how to delete them?

Question

Hyper-V

Good afternoon!
There is a virtual machine on 121gb. And there is a folder with this machine, which already weighs 500GB, and there are several snapshots:

Can I somehow delete them? Now, when deleting in the explorer, the error "the file is open in the system" occurs, although there are files already for 13 years.