Upgrading to premium will enable you to access the full version.
If you are a PERCDC REVIEWEES, HONOR STUDENT or NATIONAL QUIZZERS, you can avail a free activation code by visiting PERCDC Learnhub Manila.
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Perc is a virtual currency which can be earned from using any of the QUEXHUB or QUEXBOOK subjects. You can use your percs to activate and access the full version of this subject.