It may be a silly question but using Quark 8.5.1 on an iMac running OSX 10.6.8, do I upgrade to Quark 10 after installing Mavericks or before?
I've used Quark since 1992 and every upgrade since then has been problematic, hence my extreme caution. Part of me wants to play safe and continue working with my present set-up.
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