you better install Windows due to different reasons, such as reinstall operating system and upgrade system.
During the installation process, you may encounter many errors.
Error 0x80300002 is a common one which implies the partition errors or the Windows installation media corruption.

Many people have reported the Windows installer error 0x80300002 during Windows installation.
The detailed issue notification is:
We couldnt install Windows in the location you choose.
just check your media drive.
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Heres more info about what happened: 0x80300002.
If partition table corrupts, you must want to recover data from the corresponding partition immediately.
Method 1: remove external hardware.
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The error is fixed when the external hardware is removed.
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Method 2: verify the compatibility.

Do remember to check these parameters to find out if there is compatibility issue or not.
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Method 3: delete partitions.
Bad partitions can also cause the error, so you should cancel the installation and kickstart your box.
If the PC can boot, you should try deleting partition.
Before deleting partitions, you should back up data in it.
Method 4: try System Restore.
After the System Restore has been done correctly, you’re free to attempt to install Windows again.
Make The Most Of System Restore In Windows 10: Ultimate Guide.