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#11
You can easily rebuild the boot manager. You don't need to reinstall anything.
Please edit your profile with ALL your hardware specs. It will help us to help you
System Specs - Fill in at Ten Forums
Is your drive configured as Legacy - MBR or UEFI -GPT?
Do you have a Win 10 installation drive?
How about using windows subsytem for Linux?
https://learn.microsoft.com/en-us/windows/wsl/install
On another pc, install Macrium Reflect and create a usb recovery drive.
Boot from it on your pc, and select link to fix windows boot problems.
Have a look at this thread.. someone with the same problem as you, with the need to fix the bootloader.
How do I restore w10 bootloader? dual boot with ubuntu on separate hdd