diff --git a/README.md b/README.md
index 8af6618a..edf354e9 100644
--- a/README.md
+++ b/README.md
@@ -214,7 +214,7 @@ Step 4-5 are to be done on the guest OS running inside the Docker container:
     ```
 5. Check out Occlum's demos preinstalled at `/root/demos`, whose README can be found [here](demos/README.md). Or you can try to build and run your own SGX-protected applications using Occlum as shown in the demos.
 
-Alternatively, to use Occlum without Docker, one can install Occlum on popular Linux distributions like Ubuntu and CentOS with the Occlum DEB and RPM packages, respectively. These packages are provided for every release of Occlum. For more info about the installation packages, see [here](tools/installer/README.md).
+Alternatively, to use Occlum without Docker, one can install Occlum on popular Linux distributions like Ubuntu and CentOS with the Occlum DEB and RPM packages, respectively. These packages are provided for every release of Occlum since `0.16.0`. For more info about the packages, see [here](docs/install_occlum_packages.md).
 
 ## How to Build?
 
diff --git a/docs/install_occlum_packages.md b/docs/install_occlum_packages.md
new file mode 100644
index 00000000..224d6a19
--- /dev/null
+++ b/docs/install_occlum_packages.md
@@ -0,0 +1,118 @@
+# Install Occlum with Popular Package Managers
+
+Occlum can be easily installed with popular package managers like [APT](https://en.wikipedia.org/wiki/APT_(software)) and [RPM](https://en.wikipedia.org/wiki/RPM_Package_Manager). This document walks you through the steps to install Occlum on popular Linux distributions like Ubuntu and CentOS using package managers.
+
+## Prerequisite
+
+**Install enable_RDFSBASE Kernel Module**
+
+If the Kernel version is before `v5.9`, please follow [this README](https://github.com/occlum/enable_rdfsbase/blob/master/README.md) to install `enable_rdfsbase` kernel module.
+
+
+## Install Occlum with RPM on CentOS 8.2
+
+1. Install Prerequisite
+```
+yum install -y wget yum-utils make jq gdb
+```
+
+2. Install Intel® SGX Driver and Intel® SGX PSW
+
+Please follow [Intel SGX Installation Guide](https://download.01.org/intel-sgx/sgx-linux/2.13/docs/Intel_SGX_Installation_Guide_Linux_2.13_Open_Source.pdf) to install SGX driver and SGX PSW. SGX SDK is not required. Using RPM installer is recommanded. 
+
+After adding SGX RPM local repository to yum source, run the below command to install PSW:
+```
+yum --nogpgcheck install -y libsgx-dcap-ql libsgx-epid libsgx-urts libsgx-quote-ex
+```
+
+Also, UAE service libraries are needed but may not installed together with SGX PSW if SGX PSW installer is used. Go to SGX RPM local repo and run:
+```
+rpm -i libsgx-uae-service*.rpm
+```
+
+After installing SGX driver and PSW, please make sure `aesm` service is in `active (running)` state by checking:
+```
+service aesmd status
+```
+
+3. Install Occlum
+```
+cat << EOF > /etc/yum.repos.d/occlum.repo
+[occlum]
+name=occlum
+enabled=1
+baseurl=https://occlum.io/occlum-package-repos/rpm-repo/
+gpgcheck=1
+repo_gpgcheck=1
+gpgkey=https://occlum.io/occlum-package-repos/rpm-repo/RPM-GPG-KEY-rpm-sign
+gpgcakey=https://occlum.io/occlum-package-repos/rpm-repo/RPM-GPG-KEY-rpm-sign-ca
+EOF
+yum --showduplicate list -y occlum
+yum install -y occlum
+echo "source /etc/profile" >> $HOME/.bashrc
+```
+
+
+## Install Occlum with APT on Ubuntu 18.04
+
+1. Install Prerequisite
+```
+apt-get update
+DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends ca-certificates gnupg2 jq make gdb wget libfuse-dev libtool
+```
+
+2. Install Intel® SGX Driver and Intel® SGX PSW
+
+Please follow [Intel SGX Installation Guide](https://download.01.org/intel-sgx/sgx-linux/2.13/docs/Intel_SGX_Installation_Guide_Linux_2.13_Open_Source.pdf) to install SGX driver and SGX PSW. SGX SDK is not required. Using PSW installer is recommanded.
+
+To install PSW, follow the guide to add Intel® SGX repository to APT source. And then run:
+```
+apt-get update
+apt-get install -y libsgx-dcap-ql libsgx-epid libsgx-urts libsgx-quote-ex libsgx-uae-service
+```
+
+After installing PSW, please make sure `aesm` service is in `active (running)` state by checking:
+```
+service aesmd status
+```
+
+3. Install Occlum
+```
+echo 'deb [arch=amd64] https://occlum.io/occlum-package-repos/debian bionic main' | tee /etc/apt/sources.list.d/occlum.list
+wget -qO - https://occlum.io/occlum-package-repos/debian/public.key | apt-key add -
+apt-get update
+apt-get install -y occlum
+echo "source /etc/profile" >> $HOME/.bashrc
+```
+
+
+## Hello World Test
+
+You are all set. Now, let's run a hello world test:
+```
+cd /tmp && wget https://raw.githubusercontent.com/occlum/occlum/master/demos/hello_c/hello_world.c
+occlum-gcc -o hello_world hello_world.c
+occlum new occlum-instance
+cp hello_world /tmp/occlum-instance/image/bin
+cd /tmp/occlum-instance && occlum build
+occlum run /bin/hello_world
+```
+
+
+## Version Compatability Matrix
+
+When version is not specified, Occlum with the latest version will be installed. If a user would like to evaluate an older version, please make sure the corresponding Intel® SGX PSW is installed.
+
+The matrix below shows the version compatability since Occlum `0.16.0`. Please check before installing or upgrading.
+
+| Occlum Version  |  SGX PSW Version  | Tested under Ubuntu | Tested under CentOS |
+| --------------- | ----------------- | ------------------- | ------------------- |
+|     0.16.0      |       2.11        |        18.04        |         8.1         |
+|     0.17.0      |       2.11        |        18.04        |         8.1         |
+|     0.18.1      |       2.11        |        18.04        |         8.1         |
+|     0.19.1      |       2.11        |        18.04        |         8.1         |
+|     0.20.0      |       2.11        |        18.04        |         8.1         |
+|     0.21.0      |       2.13        |        18.04        |         8.2         |
+
+
+For more information about the packages, please checkout [here](../tools/installer/README.md).