1 option need internet for installation.
2 option just download and install offline.
When you click on download here you go another Tab, where you download file. Just click below highlighted option.
Installation Way Step-By-Step:
1. After downloading the setup just Double click on it, and click on Run
2. Now select custom and click on Next
3. Now follow these steps and click Next
4. Here select MySQL Server and click on Execute
5. Now new window Open and select license agreement and click INSTALL
6. Click on Close
7. Now require software installed and click on Next
8. Now icon is ready for installation and click on EXECUTE
9. When both products install successfully, status will be complete and click on Next
10. Then again Click on Next
11. Select Standalone MySQL Server and click on Next
12. Select Configure Type and Port number, after that click on Next
13. Click on Next
14. Now set password & Click Next >> Next
15. Now apply configuration & Click on Execute
16. Click on Finish
17. Now click Next
18. Successfully MySQL install and click Finish