# Dual booting EndeavourOS using MBR legacy - manual partitioning question **URL:** \ **Category:** EndeavourOS installation\ **Created:** [July 21, 2023, 11:05am UTC](https://forum.endeavouros.com/t/dual-booting-endeavouros-using-mbr-legacy-manual-partitioning-question/43520 "2023-07-21T11:05:41Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![ghymzy](https://forum.endeavouros.com/letter_avatar_proxy/v4/letter/g/b9bd4f/32.png) [@ghymzy](https://forum.endeavouros.com/u/ghymzy)\ **Post date:** [July 21, 2023, 11:05am UTC](https://forum.endeavouros.com/t/dual-booting-endeavouros-using-mbr-legacy-manual-partitioning-question/43520/1 "2023-07-21T11:05:41Z")
Hi. I am trying to install EndeavourOS as dual boot on a system already running Windows 10. The system is legacy BIOS and C: is MBR. I am following the steps in this topic - [[root] Linux dual-boot Windows](https://forum.endeavouros.com/t/root-linux-dual-boot-windows/7770) I’m having trouble creating the boot partition. The steps say to use bios-boot as the flag for the boot partition but I don’t have a bios-boot flag available on the list. The closest seems to be legacy-boot. Is it OK to use legacy-boot instead? ---
**Author:** ![thefrog](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/thefrog/32/114250_2.png) [@thefrog](https://forum.endeavouros.com/u/thefrog)\ **Post date:** [July 21, 2023, 11:24am UTC](https://forum.endeavouros.com/t/dual-booting-endeavouros-using-mbr-legacy-manual-partitioning-question/43520/2 "2023-07-21T11:24:38Z")
> [@ghymzy](#): > > The closest seems to be legacy-boot. this should be what you want. ---
**Author:** ![ghymzy](https://forum.endeavouros.com/letter_avatar_proxy/v4/letter/g/b9bd4f/32.png) [@ghymzy](https://forum.endeavouros.com/u/ghymzy)\ **Post date:** [July 21, 2023, 11:53am UTC](https://forum.endeavouros.com/t/dual-booting-endeavouros-using-mbr-legacy-manual-partitioning-question/43520/3 "2023-07-21T11:53:46Z")
I tried it and it installed correctly but will not boot from the drive I installed it on. ---
**Author:** ![ghymzy](https://forum.endeavouros.com/letter_avatar_proxy/v4/letter/g/b9bd4f/32.png) [@ghymzy](https://forum.endeavouros.com/u/ghymzy)\ **Post date:** [July 21, 2023, 12:18pm UTC](https://forum.endeavouros.com/t/dual-booting-endeavouros-using-mbr-legacy-manual-partitioning-question/43520/4 "2023-07-21T12:18:01Z")
Ok I think I managed. I’m not sure what changed, but booting from the live USB was slightly different this time. It didn’t give me the systemd bootloader option, only grub2. So I picked that. After creating the partitions the same way, with boot flagged as legacy-boot, I got a warning to create a GPT partition table with an unformatted 8MB partition flagged as bios-grub. I went back, deleted all the partitions, created new partition table as GPT and remade the partitions including the new 8MB one. And now everything is booting correctly. Thank you