diff --git a/INITIAL-COMMANDS.md b/INITIAL-COMMANDS.md
index 79773bd..40f609b 100644
--- a/INITIAL-COMMANDS.md
+++ b/INITIAL-COMMANDS.md
@@ -18,17 +18,21 @@ Run the complete base installation:
 
     {
       :local BaseUrl "https://git.eworm.de/cgit/routeros-scripts/plain/";
+      :local CertCommonName "ISRG Root X2";
       :local CertFileName "ISRG-Root-X2.pem";
       :local CertFingerprint "69729b8e15a86efc177a57afb7171dfc64add28c2fca8cf1507e34453ccb1470";
 
-      :put "Importing certificate...";
-      /tool/fetch ($BaseUrl . "certs/" . $CertFileName) dst-path=$CertFileName as-value;
-      :delay 1s;
-      /certificate/import file-name=$CertFileName passphrase="";
-      :if ([ :len [ /certificate/find where fingerprint=$CertFingerprint ] ] != 1) do={
-        :error "Something is wrong with your certificates!";
+      :if (!(([ /certificate/settings/get ]->"builtin-trust-anchors") = "trusted" && \
+           [[ :parse (":return [ :len [ /certificate/builtin/find where common-name=\"" . $CertCommonName . "\" ] ]") ]] > 0)) do={
+        :put "Importing certificate...";
+        /tool/fetch ($BaseUrl . "certs/" . $CertFileName) dst-path=$CertFileName as-value;
+        :delay 1s;
+        /certificate/import file-name=$CertFileName passphrase="";
+        :if ([ :len [ /certificate/find where fingerprint=$CertFingerprint ] ] != 1) do={
+          :error "Something is wrong with your certificates!";
+        };
+        :delay 1s;
       };
-      :delay 1s;
       :put "Renaming global-config-overlay, if exists...";
       /system/script/set name=("global-config-overlay-" . [ /system/clock/get date ] . "-" . [ /system/clock/get time ]) [ find where name="global-config-overlay" ];
       :foreach Script in={ "global-config"; "global-config-overlay"; "global-functions" } do={
@@ -41,9 +45,11 @@ Run the complete base installation:
       :put "Scheduling to load configuration and functions...";
       /system/scheduler/remove [ find where name="global-scripts" ];
       /system/scheduler/add name="global-scripts" start-time=startup on-event="/system/script { run global-config; run global-functions; }";
-      :put "Renaming certificate by its common-name...";
-      :global CertificateNameByCN;
-      $CertificateNameByCN $CertFingerprint;
+      :if ([ :len [ /certificate/find where fingerprint=$CertFingerprint ] ] > 0) do={
+        :put "Renaming certificate by its common-name...";
+        :global CertificateNameByCN;
+        $CertificateNameByCN $CertFingerprint;
+      };
     };
 
 Then continue setup with
diff --git a/README.md b/README.md
index 2a8b2ce..243e1fc 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,15 @@ including demonstation recorded live at [MUM Europe
 ### The long way in detail
 
 The update script does server certificate verification, so first step is to
-download the certificates. If you intend to download the scripts from a
+download the certificates.
+
+> 💡️ **Hint**: RouterOS 7.19 comes with a builtin certificate store. You
+> can skip the steps regarding certificate download and import and jump
+> to [installation of scripts](#installation-of-scripts) if you set the
+> trust for these builtin trust anchors:
+> `/certificate/settings/set builtin-trust-anchors=trusted;`
+
+If you intend to download the scripts from a
 different location (for example from github.com) install the corresponding
 certificate chain.
 
@@ -106,6 +114,8 @@ is shown.
 
 Always make sure there are no certificates installed you do not know or want!
 
+#### Installation of scripts
+
 All following commands will verify the server certificate. For validity the
 certificate's lifetime is checked with local time, so make sure the device's
 date and time is set correctly!
diff --git a/global-functions.rsc b/global-functions.rsc
index 55dbdee..759b274 100644
--- a/global-functions.rsc
+++ b/global-functions.rsc
@@ -119,6 +119,11 @@
     :return false;
   }
 
+  :if (([ /certificate/settings/get ]->"builtin-trust-anchors") = "trusted" && \
+       [[ :parse (":return [ :len [ /certificate/builtin/find where common-name=\"" . $CommonName . "\" ] ]") ]] > 0) do={
+    :return true;
+  }
+
   :if ([ :len [ /certificate/find where common-name=$CommonName ] ] = 0) do={
     $LogPrint info $0 ("Certificate with CommonName '" . $CommonName . "' not available.");
     :if ([ $CertificateDownload $CommonName ] = false) do={