diff --git a/docs/harbor-doc-reorg/install_config/_index.md b/docs/harbor-doc-reorg/install_config/_index.md
index 5e3a3b1bd..67e71c68b 100644
--- a/docs/harbor-doc-reorg/install_config/_index.md
+++ b/docs/harbor-doc-reorg/install_config/_index.md
@@ -4,4 +4,6 @@ This document describes how to install Harbor, and how to perform initial config
 
 - [Installing Harbor](installation/_index.md)
 - [Post-Installation Configuration](configuration/_index.md)
-- [Initial Configuration in the Harbor UI](configuration/initial_config_ui.md)
\ No newline at end of file
+- [Initial Configuration in the Harbor UI](configuration/initial_config_ui.md)
+
+[Table of Contents](../../index.md)
\ No newline at end of file
diff --git a/docs/harbor-doc-reorg/install_config/installation/_index.md b/docs/harbor-doc-reorg/install_config/installation/_index.md
index 25eb04297..f4a3a7fb1 100644
--- a/docs/harbor-doc-reorg/install_config/installation/_index.md
+++ b/docs/harbor-doc-reorg/install_config/installation/_index.md
@@ -33,4 +33,6 @@ The table below lists the components that are deployed when you deploy Harbor.
 |Docker/distribution|2.7.1|
 |Docker/notary|0.6.1|
 |Helm|2.9.1|
-|Swagger-ui|3.22.1|
\ No newline at end of file
+|Swagger-ui|3.22.1|
+
+[Table of Contents](../../index.md)
\ No newline at end of file
diff --git a/docs/harbor-doc-reorg/install_config/installation/configure_https.md b/docs/harbor-doc-reorg/install_config/installation/configure_https.md
index acbb51499..52728a90e 100644
--- a/docs/harbor-doc-reorg/install_config/installation/configure_https.md
+++ b/docs/harbor-doc-reorg/install_config/installation/configure_https.md
@@ -195,4 +195,6 @@ If you've mapped nginx 443 port to another, you need to add the port to login, l
 
 ## What to Do Next ##
 
-To start the installation process, [Download the Harbor Installer](download_installer.md).
\ No newline at end of file
+To start the installation process, [Download the Harbor Installer](download_installer.md).
+
+[Table of Contents](../../index.md)
\ No newline at end of file
diff --git a/docs/harbor-doc-reorg/install_config/installation/configure_yml_file.md b/docs/harbor-doc-reorg/install_config/installation/configure_yml_file.md
index 0ecceab9c..f2e69d607 100644
--- a/docs/harbor-doc-reorg/install_config/installation/configure_yml_file.md
+++ b/docs/harbor-doc-reorg/install_config/installation/configure_yml_file.md
@@ -1,3 +1,5 @@
+[Table of Contents](../../index.md)
+
 # Configure the Harbor YML File
 
 You set system level parameters for Harbor in the `harbor.yml` file that is contained in the installer package. These parameters take effect when you run the `install.sh` script to install or reconfigure Harbor. 
@@ -330,4 +332,6 @@ Currently, Harbor only supports PostgreSQL database. To use an external database
 
 ## What to Do Next ##
 
-To install Harbor, [Run the Installer Script](run_installer_script.md).
\ No newline at end of file
+To install Harbor, [Run the Installer Script](run_installer_script.md).
+
+[Table of Contents](../../index.md)
\ No newline at end of file
diff --git a/docs/harbor-doc-reorg/install_config/installation/download_installer.md b/docs/harbor-doc-reorg/install_config/installation/download_installer.md
index 4b00b1d3a..e76b394b8 100644
--- a/docs/harbor-doc-reorg/install_config/installation/download_installer.md
+++ b/docs/harbor-doc-reorg/install_config/installation/download_installer.md
@@ -43,4 +43,6 @@ The installation processes are almost the same for both the online and offline i
    
 ## Next Steps
 
-To prepare your Harbor installation, [Configure the Harbor YML File](configure_yml_file.md).
\ No newline at end of file
+To prepare your Harbor installation, [Configure the Harbor YML File](configure_yml_file.md).
+
+[Table of Contents](../../index.md)
\ No newline at end of file
diff --git a/docs/harbor-doc-reorg/install_config/installation/harbor_compatibility_list.md b/docs/harbor-doc-reorg/install_config/installation/harbor_compatibility_list.md
index 739ce1c54..ca42521f1 100644
--- a/docs/harbor-doc-reorg/install_config/installation/harbor_compatibility_list.md
+++ b/docs/harbor-doc-reorg/install_config/installation/harbor_compatibility_list.md
@@ -49,3 +49,4 @@ This document provides compatibility information for all Harbor components.
 * `Evaluated` means that the scanner implementation has been officially tested and verified.
 * `As Default` means that the scanner is provided as a default option and can be deployed together with the main Harbor components by providing extra options during installation. You must install other scanners manually.
 
+[Table of Contents](../../index.md)
\ No newline at end of file
diff --git a/docs/harbor-doc-reorg/install_config/installation/installation_prereqs.md b/docs/harbor-doc-reorg/install_config/installation/installation_prereqs.md
index 6e2ac1ed8..7a96af741 100644
--- a/docs/harbor-doc-reorg/install_config/installation/installation_prereqs.md
+++ b/docs/harbor-doc-reorg/install_config/installation/installation_prereqs.md
@@ -34,4 +34,6 @@ Harbor requires that the following ports be open on the target host.
 
 ## What to Do Next ##
 
-To secure the connections the Harbor, you must [Configure HTTPS Access to Harbor](configure_https.md).
\ No newline at end of file
+To secure the connections the Harbor, you must [Configure HTTPS Access to Harbor](configure_https.md).
+
+[Table of Contents](../../index.md)
\ No newline at end of file
diff --git a/docs/harbor-doc-reorg/install_config/installation/run_installer_script.md b/docs/harbor-doc-reorg/install_config/installation/run_installer_script.md
index a709749d8..e37c4b3e5 100644
--- a/docs/harbor-doc-reorg/install_config/installation/run_installer_script.md
+++ b/docs/harbor-doc-reorg/install_config/installation/run_installer_script.md
@@ -100,3 +100,5 @@ If the installation succeeds, continue to set up Harbor by following the instruc
 
 If installation fails, see [Troubleshooting Harbor Installation
 ](troubleshoot_installation.md).
+
+[Table of Contents](../../index.md)
\ No newline at end of file
diff --git a/docs/harbor-doc-reorg/install_config/installation/troubleshoot_installation.md b/docs/harbor-doc-reorg/install_config/installation/troubleshoot_installation.md
index cdd5ab2c0..d7bf7198c 100644
--- a/docs/harbor-doc-reorg/install_config/installation/troubleshoot_installation.md
+++ b/docs/harbor-doc-reorg/install_config/installation/troubleshoot_installation.md
@@ -30,4 +30,6 @@ When setting up Harbor behind an `nginx` proxy or elastic load balancing, look f
 proxy_set_header X-Forwarded-Proto $scheme;
 ```
 
-Then re-deploy Harbor per the instructions in "Managing Harbor Lifecycle.
\ No newline at end of file
+Then re-deploy Harbor per the instructions in "Managing Harbor Lifecycle.
+
+[Table of Contents](../../index.md)
\ No newline at end of file