Chuwi hi8 Android 4.4 to 11 update


I just found my old Chuwi Hi8 duel boot tablet from storage box… windows 10 working fine… but Android seems very old ….playstore not able to access

I want to update Android 4.4 to latest android … at least Android 10. so can i access the playstore.
I ve seen so many people suffering after flashing…
could you please guide right direction just want to flash Android side.