Hi, Pata11
Welcome to Microsoft Community.
We understand that you are experiencing issues with your touchpad and Bluetooth not working after downloading a new copy of Windows 10 64-bit. Through my inquiry, I found that the release date of your computer is in 2014 and the original system is Windows 8.1. By the condition of your device and your description, it seems that your computer may not be compatible with the latest version of Windows 10, which causes some drivers not to work properly.What is your current system version? You can press Windows+R, type winver and send us a screenshot of your system version.At this moment we suggest you can try to install the old version of Windows 10, we suggest you to backup all your personal files, after completing the backup, visit the link below in the method provided by Volunteer Host Ramesh to download the old version of Windows 10, please choose the earliest possible Windows 10 ISO:Download iso of windows 11 that is older than the newest update (a - Microsoft CommunityAfter you have downloaded the ISO file, go to the folder where you downloaded it, right-click on the downloaded image file and select Open in windows explorer.Open the sources folder, find and run the setup program, and then you can start reinstalling your system.After that, please follow the prompts to operate, after the reinstallation will let you reset the system, setup can be used normally after completion.*Disclaimer: At this point, we have exhausted all troubleshooting and I recommend that we try to perform a clean install to get your computer back into a working condition. Please ensure that you backup any important data, including Documents, Pictures, Videos, and more.*If you still can't solve the problem after downloading the old version of Windows, it means that your computer may not be compatible with Windows 10, please try to initialize your computer to the original system, or you may need to search for the initial release version of Windows 10 by yourself.
Best Regards
Nicholas.Z - MSFT | Microsoft Community Support Specialist