throw out bearing replacement how install a new one?

You have to remove the transmission to do that you might as well put a clutch kit in while you have the transmission out. This video will show you how on a similar car

https://youtu.be/JpzefqEeVGE

these guides can help show you how to do the job as well

https://www.2carpros.com/articles/throw-out-bearing-replacement

and

https://www.2carpros.com/articles/transmission-replacement-removal-manual

Please let us know if you need anything else to get the problem fixed.