Just a side note I think it’s worth mentioning: it’s not recommended to have other OS besides Qubes as it may pose a security risk, depending on your set up.
Read more about it here:
\ Frequently asked questions (FAQ) | Qubes OS
\ Contents/docs/configuration/multiboot.md at master · Qubes-Community/Contents · GitHub
\ Dual boot with windows
Having said that, it’s not the topic of this conversation so you shall do what fits your needs.