Your specific use case is explicitly afforded by Jetbrains licensing model. I don't think there is any problem to be had. You can buy a license now, use it for

Your specific use case is explicitly afforded by Jetbrains licensing model. I don't think there is any problem to be had. You can buy a license now, use it for 5 years, then buy another. https://sales.jetbrains.com/hc/en-gb/articles/207240845-What-is-perpetual-fallback-license- https://sales.jetbrains.com/hc/en-gb/articles/207240845-What...