It’s worth a try since nothing else is working. I’m not that skilled at all things grub or anything else for that matter. I just inch along one byte at a time! 
Yes, unless OP uses one of the alternative EFI paths.
Anyway, I think OP knows better and we should let him decide 
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This:
IIUC the installer log has /efi for ESP, which suggests it is systemd-boot, not a grub installation.
Unless the installer is capable/configured to do it, and I don’t know about it 
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Yes, I can never tell if it’s grub or system-d boot. It’s hard to know exactly what the OP has or is doing exactly. I just know that i have had a lot of these Acer laptops that always have issues with installing and it’s either Intel Optane, RST or Raid and or something else that causes them to fail. If i have the hardware in front of me is much easier to see and know what’s going on.
Edit: If only i was a 
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Yes I think that would be a way to go (sounds like my machine) but i dont know if i’m capable of doing it 
Right now I had the installer make a partition on around 120 gb for EOS and it also made a partition automatic on 1 gb for the /efi I guess. I choose systemd bootloader but system did freeze so that might not be installed. It was done with the ‘alongside’ option in the installer
Have you tried installing with grub?
Yes - they both freezes on ~82% install
Have you tried installing using grub with manual partitioning and selecting the Windows efi and not formatting it but keeping it and marking it as /boot/efi and creating a root partition and marking it /root. You can also create a swap partition or leave it and create a swap file after the install if it worked.
I tried that too, yes same problem with system freeze
Does this laptop have Intel RST or Intel Optane?
How can I find out? It’s called Intel Celeron
It would have the settings in the Bios.
Not much info in Bios.
It says CPU Info: Intel Celeron CPU N3350 1.10GHz
Bios Version V1.19
How much ram does it have?
Edit: I see it has 8 GB from the installer log.
Something just doesn’t seem right here but i can’t put my finger on it. Doesn’t make any sense to me. 
No same here! Totally weird. That’s why when I read this install linux… I thought it could be a solution but again this is not manjaro, and it sounds kind a bit too complicated for me. I already installed endeavouros on two macs with no problems. But this windows laptop is hard…
Is the system currently working on Windows?
Yes it runs windows 10 fine, and also linux from usb live stick. no problems
Are you using the current ISO? How did you create the live usb?
Its the current ISO made with Popsicle on linux
I also tried with an older ISO (one where you couldn’t choose bootloader)
You are sure that secure boot is disabled?