We have been asked by our customers on several occasions on how to install ur find previous versions of cleanflight now that version 2.*.* is out and it will not connect to their boards with versions under 2.0.
Searching YouTube we have come across a very nice and detailed video which explains it all and gives you a step by step guide on how to do this. We have embedded this video on this page for your convenience. Painless 360 gives us an excellent explanation and guide on how to do this, so there is no reason to reinvent the wheel, just use this guide to install it yourself:
If you finished watching please make sure to send Painless 360 a “like” for his excellent work.