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thisisbutaname ,

I don’t know how much the windows installer lets you choose regarding partitions, but assuming you can and given my probably dated knowledge still applies:

You’ll have to install windows to it’s partition and then force a boot into Linux from the BIOS to reinstall grub, and then you’ll be able to choose your starting system.

Dr_Willis ,

make proper backups before you try messing with partitions. Have windows reinstall media made ahead of time, just in case things go badly.

what you want to do is possible, but mistakes happen.

bennieandthez ,
@bennieandthez@lemmygrad.ml avatar

Is this a laptop? Otherwise i strongly recommend getting a separate SSD for each OS, it will save you a lot of headaches.

disheveledWallaby , (edited )

Just to piggyback back off this, when windows is installed on the same HD as your grub is installed windows can and in my experience eventually will over write your grub preventing you from booting into your Linux partition.

This forces you to boot from live USB like bootrepair or chroot and reinstall grub. This can be a slightly complicated process if you have encrypted your Linux partition with luks.

Best practice is to install each OS on their own HD and not to install grub on your windows HD. At least that’s my experience over the last 15 years.

A great alternative to dual booting is installing windows to a KVM/qemu virtual machine. You can do this from virtmanager’s GUI. See your distro help pages for instructions for setting it up.

Yeahboy92 ,

You need Windows installed first, set up your partitions, then install Linux. You could backup your data and then restore it. That’s the easiest way if you choose not to use a windows vm.

I_Am_Jacks_____ ,

As @Vitaly said, I’d virtualize it if you can. But if there is a reason you want to use actual hardware with Windows (gaming, installing firmware that requires Windows, VR, etc), I’d install a dedicated disk for Windows.

If you can’t do either of those things, look at gparted to resize your partitions.

Ljubi OP ,

So if i resize it with gparted, can i pick the resized storage when in bios. And no existing storage would be lost?

I_Am_Jacks_____ ,

Well, you boot from the Windows install medium. And instead of picking an existing partition to install on, you create a new partition from unpartitioned space

Johanno ,

Especially you should make sure you don’t pick the wrong partition as it would wipe your linux system

Vitaly ,
@Vitaly@feddit.uk avatar

i use virt manager for this, not what you want but just try it, it is a lot faster than virtual box

Ljubi OP ,

Is this usable for gaming?

Vitaly ,
@Vitaly@feddit.uk avatar

some people do game on it, but it is a bit difficult to set up, what games do you want to play?

Ljubi OP ,

Ark survival ascended

Vitaly ,
@Vitaly@feddit.uk avatar

But it has gold on protondb, it should work. www.protondb.com/app/2399830there is some good people that can help: discord.com/invite/6y3BdzC

Ljubi OP ,

Offline its playable. But you can not join any offical server and I also didnt found any unoffical servers without battle eye anti cheat software.

Vitaly ,
@Vitaly@feddit.uk avatar

too bad that multiplayer is not supported, what GPUs do you have?

Ljubi OP ,

AMD 6800XT CPU Ryzen 5700x 32gbram

I_Am_Jacks_____ ,

If you have a desktop and can install a dedicated GPU for Gaming, libvirt should be able to game a full speed

Ljubi OP ,

Will battle eye and other anti cheat software work?

I_Am_Jacks_____ ,

Sure. Why not. The game wouldn’t know you’re in a VM. The GPU is presented to Windows so it SHOULD all just work. There’s plenty on Youtube for getting this to work.

Ljubi OP ,

Okay i will try that. Thank you so much you helped me a lot.

wmassingham ,

It can easily see you’re in a VM. For example, the OVMF UEFI firmware is a dead giveaway. Nobody runs that on physical hardware.

zingo ,

Sorry, but wouldn’t you need 2 video cards for that to work?

One for regular desktop and one for the VM to access to game properly?? (GPU pass though)

Edit: Or does it work on Intel CPUs aa the desktop could use the igpu while the windows VM uses the dedicated one?

Ryzen users is shit outta luck if that’s true. Ramming 2 dedicated GPUs in one computer might be a more expensive affair.

I_Am_Jacks_____ ,

That’s what I meant by “dedicated GPU for Gaming” presuming the desktop already had a video card for regular use.

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