I just did what Kovid said to do, and what I expanded on - it works
I keep Calibre Portable 32 bit in C:\Program Files Portable\Calibre Portable 32
- this is an arbitrary location that happens to suit me.
I copied it to C:\Program Files Portable\Calibre Portable 64
I downloaded and installed 64bit Calibre (to C:\Program Files\Calibre2
I then copied everything in C:\Program Files\Calibre2
to C:\Program Files Portable\Calibre Portable 64\Calibre
- telling Windows to overwrite everything.
If you find the overwrite awkward - then delete everything in C:\Program Files Portable\Calibre Portable 64\Calibre
before you do the copy.
I then ran C:\Program Files Portable\Calibre Portable 64\calibre-portable.exe
see attachment - look at the status line and the location of the config files.
I have not done any testing beyond "Oh look, it seems to work'
- if you do what Kovid suggests (augmented by my cook book instructions) you should have a 64 bit Portable Calibre - which you can put wherever you like. As theDucks
has pointed out the default library will be where the portable version of calibre lives - but you can create other libraries elsewhere.
Now I'm off to rappel down the fiscal cliff - woo hoo