diff --git a/README.md b/README.md
index cfd7807..e46551b 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,9 @@ A customizable Android and iPhone Whatsapp database parser that will give you th
 **If you plan to uninstall WhatsApp or delete your WhatsApp account, please make a backup of your WhatsApp database. You may want to use this exporter again on the same database in the future as the exporter develops**
 
 # Usage
-**If you want to use the old release (< 0.5) of the exporter, please follow the [old usage guide](https://github.com/KnugiHK/Whatsapp-Chat-Exporter/blob/main/old_README.md#usage)**
+**Usage in README may be removed in the future. Check the usage in [Wiki](https://github.com/KnugiHK/Whatsapp-Chat-Exporter/wiki)**.
+
+**If you want to use the old release (< 0.5) of the exporter, please follow the [old usage guide](https://github.com/KnugiHK/Whatsapp-Chat-Exporter/wiki/Old-Usage#usage)**.
 
 First, install the exporter by:
 ```shell
diff --git a/Whatsapp_Chat_Exporter/__init__.py b/Whatsapp_Chat_Exporter/__init__.py
index deded32..af46754 100644
--- a/Whatsapp_Chat_Exporter/__init__.py
+++ b/Whatsapp_Chat_Exporter/__init__.py
@@ -1 +1 @@
-__version__ = "0.8.2"
+__version__ = "0.8.5"
diff --git a/old_README.md b/old_README.md
deleted file mode 100644
index 1c908c6..0000000
--- a/old_README.md
+++ /dev/null
@@ -1,34 +0,0 @@
-# Whatsapp-Chat-Exporter
-A Whatsapp database parser that will give you the history of your Whatsapp conversations in HTML and JSON  
-**If you plan to uninstall WhatsApp or delete your WhatsApp account, please make a backup of your WhatsApp database. You may want to use this exporter again on the same database in the future as the exporter develops**
-
-# Usage
-First, clone this repo, and copy all py and html files to a working directory if you want to do so.
-```shell
-git clone https://github.com/KnugiHK/Whatsapp-Chat-Exporter.git
-```
-Then, ready your WhatsApp database, place them in the root of working directory.
-* For Android, it is called msgstore.db. If you want name of your contacts, get the contact database, which is called wa.db.
-* For iPhone, it is called 7c7fba66680ef796b916b067077cc246adacf01d (YES, a hash).
-
-Next, ready your media folder, place it in the root of working directory.
-* For Android, copy the WhatsApp directory from your phone directly.
-* For iPhone, run the extract_iphone_media.py, and you will get a folder called Message.
-```
-python extract_iphone_media.py "C:\Users\[Username]\AppData\Roaming\Apple Computer\MobileSync\Backup\[device id]"
-```
-And now, you should have something like this:
-
-![Folder structure](imgs/structure.png)
-
-Last, run the script regarding the type of phone.
-```
-python extract.py & :: Android
-python extract_iphone.py & :: iPhone
-```
-And you will get these:
-#### Private Message
-![Private Message](imgs/pm.png)
-
-#### Group Message
-![Group Message](imgs/group.png)
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