[Inteface between probe and PC]

I am trying to retrieve the measurement of a soil moisture sensors probe which the measured output in DC voltage.

what are the thing i need to do to inteface between probe and PC so that i can see the measured valve thru PC?

Any converter will do the job?

Please advise

[soil moisture sensors]

I am not familiar with sensors. Do i really need a data logger to decode the result from the soil moisture sensors?
Anyone who is familiar with moisture sensor please advise me.
Thanks