# Best way to migrate RW to new Mac

**URL:** <https://forums.realmacsoftware.com/t/best-way-to-migrate-rw-to-new-mac/9867>\
**Category:** RapidWeaver Classic\
**Created:** [September 25, 2016, 3:31pm UTC](https://forums.realmacsoftware.com/t/best-way-to-migrate-rw-to-new-mac/9867 "2016-09-25T15:31:18Z")\
**Posts on this page:** 1\
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**Author:** ![Ruyton](https://avatars.discourse-cdn.com/v4/letter/r/cc9497/32.png) [@Ruyton](https://forums.realmacsoftware.com/u/Ruyton)\
**Post date:** [September 27, 2016, 7:08am UTC](https://forums.realmacsoftware.com/t/best-way-to-migrate-rw-to-new-mac/9867/3 "2016-09-27T07:08:54Z")

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I’ve effectively started with a new iMac following my disastrous OS Sierra upgrade that resulted in the Macintosh HD being readable but not writable - and not bootable! As the OS install partition was still OK, I managed to reinstall El Capitan on an external USB drive and then did a restore from Time Machine to the USB drive.

Having now got a backup to my backup, I reformatted the internal drive, installed Sierra successfully and then restored from Time Machine. No major issues and the 2010 iMac seems to be running faster so I’m content.

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