Upgrade older Chess King PC to Chess King 21 PC (download)


Price: $29.95

Upgrade to Chess King 21 Windows PC from any version older than 2017
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 21 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

Price: $29.95

Loading Updating cart...