What to do if after installing Linux there is no option to choose a boot?

Question

linux

I installed linux but I can't boot it i.e. when the PC boots up, there is no choice of OS, it immediately starts loading windows 10.
Legacy support and Secure Boot (Disabled) are disabled in the BIOS

Answer 1

The bootloader has not been installed.

Answer 2

See boot options in bios. Maybe there is a windows boot by default