If you want to test Android 5.0.2 on your Windows Computer, here is the guide to follow.
All you have to download is Android Lollipop 5.0 ISO. Then install it through your pendrive. See the steps below:
Step 1: Download Android x86 5.0.2 Lollipop ISO File from here.
Step 2: Make bootable ISO though your USB flash drive. To create a bootable ISO you have to use Rufus USB bootable tool.
Step 3: After that restart your PC/laptop and boot it through your USB flashdrive.
Step 4: Now you will see a menu appears on the screen. Select Install Android x86 to hard-drive.
Step 5: Now select a hard-disk partition to install Android x86. You can select C:\ or D:\
Step 6: After that a prompts messages will be appear, “Do you want to install boot loader GRUB?” Choose YES.
Step 7: After that, you will get another prompt messages. Hit the YES button.
Step 8: Then you will get another prompt messages. Set 2048 MB size of data in the box.
Step 9: Now Restart your PC/laptop and select Android or windows to boot.
After doing all these things you have successfully installed Android 5.0.2 Lollipop on your Windows PC/Laptop.