Go to Tally Solutions website www.tallysolutions.com/download and download Tally setup file.
Once setup is downloaded, Right click and Run the setup with administrator rights.
Tally.ERP 9 Installer will now open.
Enter the path where you want to Install Tally.ERP 9.
Click on Advanced button.
Here, you can configure the Data Directory, i.e., the path where you store your Tally Data.
Click on Accept and then, click on Install to start installation.
Tally.ERP 9 is now being installed.
Click on done.
You can now start using Tally.ERP 9 Release 6.1.