which xtserial Successful output:
capture which xtserial if _rc == 111 display as yellow "Installing xtserial from SSC..." ssc install xtserial, replace xtserial stata install
net install xtserial, from("https://raw.githubusercontent.com/StataUser/ssc-mirror/main/xtserial") Caution: Verify the mirror’s integrity before use. After installation, run: which xtserial Successful output: capture which xtserial if