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10 mb X 365 days= 3.65 GB/yr X 10 = 36.5 GB. You will need enough to sustain at least a 36.5 GB file or combination or file(s). Plus the base install and the data visualizations will all require disk space.
The precise setup is going to be dependent on what you want the Tableau Server to be used for. See information here: Performance Tuning Examples - Tableau
For further assistance and suggestions, please provide some more details on the desired result, anything that has been attempted, and any errors or unexpected behaviors that you encounter.