Upgrade older Chess King PC to Chess King 22 PC (download)
Price: $40.00
Upgrade to Chess King 22 Windows PC from any older version
Prior owners of Chess King get a discount for upgrading and get on top of that 3 months of 74 Chess King Courses on web & mobile. This is the same product as the Chess King 22 for Windows, simply you get a discount for being a prior Chess King user. To qualify for this offer, you need to provide your previous Chess King serial number.
If you have any questions, please write to diego@chessking.com