1# Testing the Chrome Root Store and Certificate Verifier 2Last updated: September 1, 2022 3 4To test the Chrome Root Store & Certificate Verifier, do the following: 5 6## On Windows (M102 or higher) 71. Enable the Chrome Root Store & Certificate Verifier by starting Chrome with 8the following flag: <br>`--enable-features=ChromeRootStoreUsed` 9 102. Navigate to https://rootcertificateprograms.edicom.es/ (trusted by Windows, 11but not the Chrome Root Store) 12 - **Expected outcome with Chrome Root Store enabled:** Page does not load 13 (NET::ERR_CERT_AUTHORITY_INVALID) 14 - **Expected outcome with Chrome Root Store disabled:** Page loads 15 16## On macOS (M105.0.5122.0 or higher) 171. Enable the Chrome Root Store & Certificate Verifier by starting Chrome with 18the following flags: <br>`--enable-features=ChromeRootStoreUsed` 19 202. Navigate to https://valid-ctrca.certificates.certum.pl/ (not trusted by 21macOS, but trusted by the Chrome Root Store) 22 - **Expected outcome with Chrome Root Store enabled:** Page loads 23 - **Expected outcome with Chrome Root Store disabled:** Page does not load 24 (NET::ERR_CERT_AUTHORITY_INVALID) 25 26## On Android (M114.0.5733.0 or higher) 27 281. Enable the Chrome Root Store and Certificate Verifier by going to 29 chrome://flags, searching for the flag "Chrome Root Store", and set it to 30 enabled. This will then require Chrome to restart. 31 322. Navigate to https://valid-ctrca.certificates.certum.pl/ (not trusted by 33Android 13, but trusted by the Chrome Root Store) 34 - **Expected outcome with Chrome Root Store enabled:** Page loads 35 - **Expected outcome with Chrome Root Store disabled:** Page does not load 36 (NET::ERR_CERT_AUTHORITY_INVALID) 37