Browse to the directory where Informatica PowerCenter Services 8.6.0 Hotfix4 installation files located; for example, G:\infa860_HotFix4_server. Double click on the Install Application 'install.bat'
Click Run to run the install software
Click Next to start the installation
Click OK as we have stopped PowerCenter Services in the previous step
Verify the Installation Prerequisites, click Next
Check the Apply PowerCenter Services 8.6.0 Hotfix4 button. Click Next
Keep the Installation directory, for example, C:\Informatica\PowerCenter8.6.0. Click Next
Review the Pre-Installation Summary. Click Install.
Wait for the completion of the installation
Click Done to exit the installation