Full installer for 10.15.3?

So I'm about to build my first hackintosh with an i3 8100 (using igpu) and a Gigabyte B365M DS3H. I followed a guide on Hackintosher and have the USB ready to install the OS, I'm just waiting on the mobo which should get here tomorrow. My question/concern is that with this build, people have reported having issues with getting past the verbose (the "+++++..." part specifically) but used 10.15.3 instead of 10.15.4 to fix the issue. I'd like to have access to a full installer for 10.15.3 in case this happens to me but I'm having trouble finding one. Does anybody know where I could find one online.

Here's the link to the build guide I followed: https://hackintosher.com/builds/cheap-hackinosh-2020-300-catalina-desktop-pc-gigabyte-b365m-ds3h/#google_vignette

submitted by /u/whodathunk_
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