I've upgraded a few classic sites to threads Make sure you've downloaded the latest version of the importer script, and that you import into threads 6.1 - you'll have the best results then Ask if you have more questions regarding that.
For the 'latest threads', check your /addons folder, several scripts are included in there you might like
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Make sure you've downloaded the latest version of the importer script, and that you import into threads 6.1 - you'll have the best results then 
