So how do I get around the computer blocking it?
For someone to be able to help you with this, you would need to give more/exact info on what you mean by "the computer blocking it"/"my computer won't allow me to run the software".
It's probably an Antivirus detection that has a way to click on and press Allow/Bypass/Restore or something similar, but this depends on your Operating System version and which Antivirus is doing it.
(To note, if you do get through to install it, make sure to follow every screen of the installation intently and Decline when there are things they "offer" you.)