1. 下载地址

https://www.postman.com/downloads/
得到文件
postman-linux-x64.tar.gz

2. 配置桌面

cd /home/[YourUserName]/.local/share/applications
vim postman.desktop

[Desktop Entry]
Encoding=UTF-8
Version=1.0
Name=Postman
Comment=Postman Native App
Exec=/home/[YourUserName]/Postman/Postman/Postman — %u
Icon=/home/[YourUserName]/Postman/Postman/app/icons/icon_128x128.png
Terminal=false
StartupWMClass=postman
Type=Application
Categories=Network;
MimeType=x-scheme-handler/tg;
X-Desktop-File-Install-Version=0.22