That depends on how you got here and whether you're able to adjust your status like normal people. If you came here on a visa, you'll be done in 6 months probably. If you were EWI or had some other issue, who knows.
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Late 40's Dreamer (Holy Fucking shit I'm almost 50 and still dealing with this), aged out of original DACA and didn't have a chance to apply for extended DACA after Republicans killed it on the vine.