Hi Andrew,
If you are already running 7.6.0 you can directly install the latest HotFix:
For more information you can refer to the below web link:
Click here to read the Windows SIM 7.6 Hotfix description file .
Click here to download the Windows SIM 7.6 Hotfix file .
Download filename:SIM76_hotfix_2019_Mar_win.exe
ref doc : https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c04271436
Please let me know if you have any query or concerns