All of the older versions of BlueStacks App Player have no viruses and are totally free on Uptodown. 4.1 Jan 8th, 2020. 188.8.131.528 Dec 2nd, 2019. Mar 20, 2020 How to uninstall BlueStacks (64-bit) Version 4.1 by BlueStack Systems, Inc.? Learn how to remove BlueStacks (64-bit) Version 4.1 from your computer.