In order to enter a capital loss carryover in TurboTax Online you have to be using the Premium edition.
There are no options in the tax law for how a capital loss carryover offsets capital gains. Enter the capital loss carryover in TurboTax. TurboTax will use it as specified by the tax laws.
I'm not sure what you mean by "unlimited capital gains." There is no limit to how much gain can by offset by a capital loss carryover. If your net capital gain in 2024 is more than the capital loss carryover, the entire capital loss carryover will be used to offset capital gains.
