diff --git a/.gitignore b/.gitignore
index 4513501..68bc17f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -58,7 +58,7 @@ cover/
 # Django stuff:
 *.log
 local_settings.py
-# db.sqlite3
+db.sqlite3
 db.sqlite3-journal
 
 # Flask stuff:
diff --git a/README.md b/README.md
index 9fc77ea..03dd60e 100644
--- a/README.md
+++ b/README.md
@@ -5,32 +5,61 @@ on the [Django Tutorial project](https://docs.djangoproject.com/en/4.2/intro/tut
 
 ## Install and Run
 
-Window
-
+1. Install [Python 3.11.4 or later](https://www.python.org/downloads/)
+2. Run these commands to clone and install requirements.txt
 ```bash
 git clone https://github.com/Sosokker/ku-polls
 cd ku-polls
 pip install -r requirements.txt
+```
+3. Create file call `.env` in `ku-polls` directory and add this line
+```bash
+SECRET_KEY=your_secret_key
+```
+
+You can generate your own `your_secret_key` by this command
+```bash
+python manage.py shell -c "from django.core.management.utils import get_random_secret_key; print(get_random_secret_key())"
+```
+or 
+- [Django Secret Key Generator #1](https://djecrety.ir/)
+- [Django Secret Key Generator #2](https://miniwebtool.com/django-secret-key-generator/)
+
+**Don't forget to change `your_secret_key` to your secret key (without quote)**
+
+4. Run these commands
+```bash
 python manage.py migrate
+python manage.py loaddata data/polls-v1.json
+python manage.py loaddata data/user.json
 python manage.py runserver
 ```
-Then connect to `127.0.0.1:8000/`
+Then connect to `http://127.0.0.1:8000/` or `localhost:8000/`
 
-**Optional**
+**Recommend**
 
 You can create virtual environment by using this command before install requirements.txt
+
+1. Install virtualenv via pip
+
+```bash
+python -m pip install --user virtualenv
+```
+2. Run these commands
 ```bash
 python -m virtualenv .venv
 ```
-or
-```bash
-python -m venv .venv
-```
-then
+3. Use `virtual environment`
 ```bash
 .venv\Scripts\activate
 ```
 
+## Demo Superuser
+
+|Username|Password|
+|:--:|:--:|
+|admin|ineedmorebullets|
+
 ## Project Documents
 
 All project documents are in the [Project Wiki](https://github.com/Sosokker/ku-polls/wiki).
diff --git a/data/polls-v1.json b/data/polls-v1.json
new file mode 100644
index 0000000..c120753
--- /dev/null
+++ b/data/polls-v1.json
@@ -0,0 +1,54 @@
+[
+{
+  "model": "polls.question",
+  "pk": 1,
+  "fields": {
+    "question_text": "Python vs C++, which one is better in your opinion?",
+    "pub_date": "2023-08-28T13:38:42Z"
+  }
+},
+{
+  "model": "polls.question",
+  "pk": 2,
+  "fields": {
+    "question_text": "The chicken and the egg, which came first?",
+    "pub_date": "2023-08-28T13:39:16Z"
+  }
+},
+{
+  "model": "polls.choice",
+  "pk": 4,
+  "fields": {
+    "question": 2,
+    "choice_text": "Chicken",
+    "votes": 5
+  }
+},
+{
+  "model": "polls.choice",
+  "pk": 5,
+  "fields": {
+    "question": 2,
+    "choice_text": "Egg",
+    "votes": 2
+  }
+},
+{
+  "model": "polls.choice",
+  "pk": 6,
+  "fields": {
+    "question": 1,
+    "choice_text": "Python!",
+    "votes": 2
+  }
+},
+{
+  "model": "polls.choice",
+  "pk": 7,
+  "fields": {
+    "question": 1,
+    "choice_text": "C++",
+    "votes": 2
+  }
+}
+]
diff --git a/data/user.json b/data/user.json
new file mode 100644
index 0000000..6afa9b8
--- /dev/null
+++ b/data/user.json
@@ -0,0 +1,20 @@
+[
+{
+  "model": "auth.user",
+  "pk": 1,
+  "fields": {
+    "password": "pbkdf2_sha256$600000$iGfCFe97r89Z86pdlQGUnB$WWlHxi2Q1iVSSk0kZt0C5QSwwBKwzEofhJ8CBvakemU=",
+    "last_login": null,
+    "is_superuser": true,
+    "username": "admin",
+    "first_name": "",
+    "last_name": "",
+    "email": "admin@email.com",
+    "is_staff": true,
+    "is_active": true,
+    "date_joined": "2023-08-31T10:14:33.235Z",
+    "groups": [],
+    "user_permissions": []
+  }
+}
+]
diff --git a/db.sqlite3 b/db.sqlite3
deleted file mode 100644
index 4249e6f..0000000
Binary files a/db.sqlite3 and /dev/null differ