About dualboot Arch + Win

Below are just things to remember and do when installing two OS’es. Because I’m always forgetting something and then thinking “I should’ve written this down as a step-by-step guide” 😌.

Order matters

Always install Windows first, and then Arch. That way Win will create a boot partition and other stuff it needs. So when installing Arch you just need to create partitions for and .

Separate drives

Yes, drives and is a salvation. That way you can keep games, downloads, documents, etc. when reinstalling Win. So just do that and install Windows on drive . And will be the "storage".

UTC time

Just do this to spare yourself from thinking “Why the Windows time is X hours behind/ahead?”.

  • run
  • navigate to
  • create new DWORD (32-bit) value named
  • set this value to

Disable fastboot

It just messes with linux for some reason. So > > > > Click on > Uncheck .

The case for reinstalling Windows

Before installing do all of the above, obviously. But when you reformat drive and try to install in that partition it will say something like "Not enough space on main partition". So you need to reformat partition too. Yes, it will wipe Arch bootloader but that is easy to restore.

Restoring Arch bootloader [rEFInd]

Boot with a live cd/usb and mount to and to . Then in and install package. Then just , and edit . Delete unnecessary lines and change to .

Maybe, after booting change refind theme.


Set EFI partition created by Win as when creating new table. And create separate partition for , just like drives and for Win. That's pretty much it.

aka Storage

When generating don't forget to add Windows' drive , for example as a .


Just follow the official wiki and you’re good 😉

переводчик-любитель | трачу два часа своего времени, чтобы тебе было чем заняться в течение пяти минут