So installieren Sie Fenster von einer Festplatte aus

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# You can install windows without any Bootable USB or DVD by
# installing it from a Hard drive(HDD) or an SSD.
# Here we'll use windows 10 for refrence.
# Follow the steps below to install your windows without USB and DVD
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# 1. You need the .iso file for installing windows. if you dont have it you
# 	can create it from this source :
https://support.microsoft.com/en-us/windows/create-an-iso-file-for-windows-10-38547366-1dcb-7afd-1726-9eb222d72705
# 2. Create a partition on the drive you want to install windows on but
#	leave around 20GB of it free to create another partition.
#	Now create another partition using that 20GB free space.
# 3. open the .iso file using eighter Right Click and then "Mount" or
#	using an app like Virtual CloneDrive
# 4. after mounting the .iso file a drive type option will appear in "This PC"
#	and now you can right click on it an click "Open"
# 5. Now copy all of the files inside of it to the 20GB partition that you
#	first created.
# 6. Now your windows files are ready so the next step is to go to
#	windows settings and click on "Update & Security" and then "Recovery".
#	Now from Advanced Startup click on "Restart Now"
#	(make sure you don't have any unsaved data).
# 7. Now windows will Restart and show a blue screen with a few Options.
#	click on "Troubleshoot" and then click on "Command Prompt".
# 8. Now the computer will restart and this time open a Command Prompt for you
#	so the next step is to go the 20GB partition using command lines and
#	run the Setup.exe file.
#	lets say my 20GB partition is drive F so i'll just type F: and hit Enter
# 9. Now im in drive F so next step is to run the setup file.
#	just type setup.exe and hit Enter.
# 10. Now you need to wait until windows installation Window appear.
# 11. Almost done now you just need to install windows in the other 
#	partition of the drive that you created at step 2.
# 12 When windows installation is fully complete you can delete that
#	20GB partition and merge it with the partition that windows has been installed on.
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# Although the steps are a bit too long I hope your promlem is solved by this answer.
Jenova