This wizard step will help you to install 7-zip. 7-zip is a tool that will help you to unzip Isolinux based Rescatux from Super Grub2 Disk based Rescatux (the latter one is the original Rescatux). Additional 7-zip is open source and can be used instead of other propietary tools like WinRAR, WinACE or WinZIP for compression, packing and unpacking tasks.
Find 7-zip
Either by clicking on My PC, PC or Explorer (The yellow thing with some folders on it) you should open a window that lets you navigate through all your files in your computer. Make sure you navigate to the folder where you downloaded 7-zip.
Install 7-zip
Double click on 7-zip installer.
Should a dialog appear asking if you wish that an unknown publisher program makes changes in your computer then select Yes or OK answer.
A dialog will appear asking your for a Destination Folder. Just use the default Destination Folder and click Install button.
You will be informed that 7-Zip has been installed on your computer. Please click Finish button.
Once the 7-zip installer window closes then you have finished this step.