I put Linux kubuntu on my PC, next to Windows. Everything was installed, but the OS selection menu did not appear. What do i do?

Question

Kubuntu

I installed two systems, but there is no OS selection menu when you turn on the computer, win10 starts immediately and not kubuntu. Help me please)

Answer 1

So you did not install the grub bootloader, or you installed it on the wrong disk from which you are booting, or try to boot from another disk, or google how to install grub using, for example, a live flash drive with Linux