Quote:
Originally Posted by Steyn
Calibre prevents me from upgrading because I no longer have any previous versions' source files. I am trying to install the latest 64bit version and the current version is a 32bit version. Is there any way to remove ALL traces of previous versions without destroying my Library?
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Are you running a 64 bit version of Windows 10? You can verify by heading to Settings > System > About. On the right-hand side of the window, look for the “System type” entry.