Given the risks, do not click on random pop-up ads. Instead:
Have you used P.a.p.s.e APK? Share your experience in the comments below (but remember, we do not condone sharing direct download links). ---- P.a.p.s.e Apk Android
Go to your device Settings > Security (or Privacy) and toggle on "Install Unknown Apps" for your browser. Given the risks, do not click on random pop-up ads