Hello I Am 26 Years Old Guy ... Recently I

Hello I am 26 years old guy ... Recently I had sex with a girl who might be HIV positive ( Protected sex using Condom)...I was worried about it so I did HIV rapid antibody test after 10 days of exposure it turns out to be neagtive...very next day I read on Google about window period of 3 weeks for 3rd generation test .....again I tested using HiV rapid antibody test (3rd generation) and it turns out to be negative .....I am really worried do I need to test it again or I am HIV free