The things you might want to know

It works on 32-bit and 64-bit systems
It's compatible with Windows 7 SP1 and all system updates
It's compatible with all system languages
It can be used to pre-activate Windows
It allows you to install custom OEM information
It features application integrity checking
It supports hidden partitions and some complex setups
It can work alongside Linux's GRUB or any other boot manager
It works with VMware, VirtualBox and Hyper-V
It works with most hard drive encryption software e.g. TrueCrypt or BitLocker
It allows you to add your own certificates and serials externally
It will install just the certificate and serial for users with an existing SLIC 2.1
It features automated system profiling (The application matches everything up for you)
It won't modify any system files
It runs before Windows is launched
No extra processes are run so you have nothing eating at your RAM
All key parts of the loader are encrypted with a custom encryption
Each and every user has a unique version of the loader installed on his or her system