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Worked first go on Windows 7 64bit system with iTunes 12.0.1 (had to downgrade from 12.1 (follow the instructions to downgrade))
The whole JB time took roughly about 8-10min (phone rebooting like 4-5 times)
Stayed on 20% and 60% for quite some time.
If you see the syncing arrows on the status bar, it should be doing its magic.
 
TaiG 2.0 on Windows 7 x64 with iTunes 12.0.1 errored out at first. Turns out that you have to leave iTunes open during the whole jailbreaking process. Worked fine once iTunes was opened.
Thank you! Been trying to jailbreak my phone for days and couldn't get it together. If I only knew it was a simple thing like keeping iTunes open...
 
Doing itunes trick on 7 x64. Stuck at 60% :(
How long did you want, do you see that syncing icon to the left of the status bar?
It stayed at 60% for a good 3-4min before it started moving.
Ive read that some people closed it and restarted the JB and it worked..
 
Can I use win10 64 using virtual machine and iTunes 12.0.1?

I tried using win7 64 and forgot to uninstall old iTunes and now my win machine won't boot up.
 
Better yet, I just remembered I have XP in vitural machine. It's vm ware and not parallels. Make a decision deference?
 
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