If you want to reduce the time needed for installing your OS you can use nLite addons to create your own bootable image of Windows.
Addons are third-party applications developed by other producers than the nLite developers, designed to be included in nLite as addons. They are specially customized so that they can be added to nLite in order to create a preinstall image of Windows to ease a user's work when reinstalling Window on their computer.
You just add these addons, create your image and when you reinstall your Windows all your favorite programs will be there just like they were before. It's a fast and easy way to keep a backup especially if you have a lot of programs installed on your computer.
Inno Setup is a most handy installer specially designed for Windows applications. The installations are created by means of scripts, which are ASCII text files with a format somewhat similar to .INI files. (No, it's not as complicated as you might be thinking!)
nLite is a GUI that will enable you to permanently remove Windows components by your choice.

You can add a series of addons to this application so it best fits your needs and desires.

· Support for all versions of Windows in use today: 7, 2008 R2, Vista, XP, 2008, 2003, 2000, Me, 98, 95, and NT 4.0. (No service packs are required.)
· Extensive support for installation of 64-bit applications on the 64-bit editions of Windows. Both the x64 and Itanium architectures are supported. (On the Itanium architecture, Service Pack 1 or later is required on Windows Server 2003 to install in 64-bit mode.)
· Supports creation of a single EXE to install your program for easy online distribution. Disk spanning is also supported.
· Standard Windows 2000/XP-style wizard interface.
· Customizable setup types, e.g. Full, Minimal, Custom.
· Complete uninstall capabilities.
Installation of files:
· Includes integrated support for "deflate", bzip2, and 7-Zip LZMA/LZMA2 file compression. The installer has the ability to compare file version info, replace in-use files, use shared file counting, register DLL/OCX's and type libraries, and install fonts.
· Creation of shortcuts anywhere, including in the Start Menu and on the desktop.
· Creation of registry and .INI entries.
· Running other programs before, during or after install.
· Support for multilingual installs, including right-to-left language support.
· Support for passworded and encrypted installs.
· Support for digitally signed installs and uninstalls.
· Silent install and uninstall.
· Unicode installs. (Windows 2000/XP or later)
· Integrated Pascal scripting engine option for advanced run-time install and uninstall customization.

Requirements:
· nLite