If you don't have Mcafee account, signup it because it will help in the future as well if you want to reinstall or transfer it on another device. Step 1 - Open link https://mcafee.setup-number.com and Go to your Mcafee Account. Step 2 - Enter the Mcafee account's email address and passowrd. Step 3 - Hit the sign in Button. Step 4 - If after purchasing you are accessing for the first time then select either from the two options install on another device or install on this device. Step 5 - Agree to all the licence terms and download to install Mcafee on your current device. Step - 6 After you finish the step 5, close the window. Mcafee account has intuitive interface and tabs such as Devices, Services and Home features the download button. After finishing the product installation it will be activated and installed.