OK, that's weird. The SHA1 checksum for the image seems to match:
Check the SHA1 sum, and if that doesn't match the above then it's your download.
i get a different one: b9fea4f7399b082d9419b11f32afe001bab48f65ceda95e9829478af62ffa4d7
the first one i used was also different. but this matches the outcome of the checksum in powershell\
so. the checksum matches, so i think it is correct
Please also verify the SHA1 checksum as it's very easy to see whether it matches the file on the server (as in the screenshot above).
As a general rule, never...I mean never, try to install OS from an ISO without checking the checksum.
it matches the checksum
OK, so next comes steps 2 and 3 from above:
already wrote it again, did not work so ill see if i can find another flash drive
We had another user on Telegram with similar issue, and I remember that it was solved by changing USB Drive (he bought a new pen drive, because he had a very old usb drive)
Here is the error he got
Also, check your sssd/ hdd too.
okay it works now, oh my god sorry for wasting all your time
I can’t understand, what is the problem now, if
Different problem, so this should be split to another thread. One mo.
Edit: split. This thread can now rest. 
Not until it is marked solved 
Edit : Ok, done. Now it can rest in peace 
You need to create one 300 mb fat32 partition and mount it as /boot/efi and flag it with esp and boot
And one btrfs partition mount it as /