Is 80 Negative Hiv Test Conclusive Is My 11 Weeks Negative HIV Test Conclusive?

Is my 11 weeks negative HIV test conclusive? - is 80 negative hiv test conclusive

He had a protected sex with a friend of mine, but the condom broke, I had flu-like symptoms and mild night for the next 2 weeks while I waited for almost exactly 79-80 days (11 weeks) before they tested with negative results, if My questions are as follows!

the window period of 11 weeks and not enough immune system deficiencies?
How accurate is the test of 11 weeks?
I have a G6PD deficiency, the results from my test?