Maximo 7.6 was released last year with a ton of new features to explore. A lot of organizations are upgrading their existing Maximo implementation to 7.6 to benefit from these features.
Here are some of the resources that would help you know more about these features and about installing and upgrading to Maximo 7.6.
IBM Maximo Asset Management Wiki
Information regarding Maximo 7.6 features, installation, upgrade
Installing Maximo 7.6: A first look, part 1
Installing Maximo 7.6: A first look, part 2
Installing Maximo 7.6: A first look, part 3
Installing Maximo 7.6: A first look, part 4
Known bugs while installing Maximo 7.6:
1. While installing Maximo on windows server 2012, if the directory in which the installables are extracted has a space within the path, the installation fails.
2. After installation of maximo has completed the installValidation.bat throws NullPointer exception. PMR open with ibm.