Since Chrome apps are now being deprecated. Download postman from https://dl.pstmn.io/download/latest/linux

Go to `Download folder -> "right click" -> "Open in Terminal"`

#### Installing Postman (Verify your version of file in below command)

```sh
tar -xzf Postman-linux-x64-7.13.0.tar.gz
```
If any version is installed before, remove it.
```sh
sudo rm -rf /opt/Postman
```
Move Postman
```sh
sudo mv Postman /opt/Postman
```
Create a desktop file
```
cat > postman.desktop <<EOL
[Desktop Entry]
Encoding=UTF-8
Name=Postman
Comment=Version Control Tool
Exec=/opt/Postman/Postman
Terminal=false
Type=Application
# Before v6.1.2
# Icon=/opt/Postman/resources/app/assets/icon.png
Icon=/opt/Postman/app/resources/app/assets/icon.png
MimeType=application/vnd.mysql-workbench-model;
Categories=GTK;Database;Development;
EOL
```
Move Desktop file:
```sh
sudo mv postman.desktop /usr/share/applications/
```
Remove the tar:
```sh
rm Postman-linux-x64-7.13.0.tar.gz
```
You're Done !