Don’t bother; plugin should be discontinued

I’ve tried to use this to sync with Square as the system of record and it does not “sync” by any stretch of the imagination. This is a completely untrustworthy plugin.

Common errors/problems include

Failed and partial syncs
Changing the inventory to 0 in Woocommerce when there is inventory in Square

Unfortunately, if you operate a bricks and mortar + online retail business, and need to have accurate data in your online store, I’d recommend you do manual updates.

I’d also add that I worked with Woocommerce support from early Feb 2021 until late July 2021 to try to resolve the issues, but most of the time their support staff seemed to fail to read the support threads, and asked me to repeat the same problem solving steps over and over. So, support for this was atrocious.