To be safe make an archive of your bottle before you update, but otherwise you should be able to install 7.0.2 right over 6.2 and not have to reenter registration or Windows software.
Please Note: This Forum is for non-application specific questions relating to installation/configuration of CrossOver. All application-specific posts to this Forum will be moved to their appropriate Compatibility Center Forum.
CrossOver Forums: the place to discuss running Windows applications on Mac and Linux
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