search ibm mq trial version download on google it will open like below
click on the first link . URL is also pasted below .
Click on signup process
Fill the details and verify email then it will take you to download page where you can download mq 9.2 LTS Trail version for the required OS .
If you already have an account just click on Log In on the below shown screen then it will directly take to download page .
Please verify system requirement before installing MQ version .
If the minimum OS version requirement doesn’t match then we cannot install MQ successfully .