the grub does not detect windows

After installing the parrot when turning on the computer in the grub the option to start in windows does not appear.
I already tried “apt-update grub”

You have dual boot installed and grub is not detecting your Windows Operating System?

In the Support forum try to save us from asking more questions to understand your question by using the Support Forum Guidelines question format:

Important info includes pertinent logs (if applicable), your setup details pertaining to the question like how you setup your partitions, installation methods/Parrot version, the things you have already tried after asking google/search engine (before asking).

Try:

sudo os-prober; sudo update-grub