TopSpice 8 Activation Service Change Notices
TopSpice 8 product versions 8.60 to 8.74
(purchased before June 30, 2018)
TopSpice 8 product versions 8.10 to 8.58
(purchased before July 31, 2015)
TopSpice 8 product versions 8.00 to 8.06
(purchased before October 31, 2011)
The first three digits of your product serial number represent the version
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