can't send or recieve files from shareit or any other app.

Why use any program to do the transfer?  You should be able to transfer files with out any 3rd party program.  If nothing else try Bluetooth.

My phone can transfer to my PC through a USB connection but I have to set up the transfer in phone.

Hello, my name is Marco and I am an Independent Advisor. I will do my best to help you.

This problem of slowness can be a problem of incompatibility with your PC and your Android devices.
It can also be just the firewall or antivirus.

To test, disable your firewall and antivirus.
If after that works, you must add an exception for the application in the firewall / antivirus settings.

If not, another solution could solve the problem.

When you connect from SHAREit PC to mobile, the hotspot created by SHAREit app on your notebook or desktop PC may cause problem. So if this connection method fails, try using your mobile phone SHAREit hotspot to connect to PC.


Follow these steps below.

1- Open SHAREit mobile app on your Android phone.
2- Tap on avatar/profile icon on top left corner. A menu will open.
3- Tap on “Connect to PC” option. The device will start searching for PC hotspot nearby.
4- Just tap on “PC Search Mobile” button located at bottom right. Now SHAREit app will create its own mobile hotspot.
5- Make sure that you have SHAREit PC app opened on your PC.
6- Disconnect from internet (WiFi). It is necessary otherwise PC won’t be able to locate mobile hotspot and connect to it.
7- A large pop up will appear on interface of SHAREit PC. Click that and you will connect to your mobile phone after a confirmation dialog.
8- Now you can transfer files between your PC and mobile device.


Information source: https://androidpicks.com/shareit-mobile-pc-conn...




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That seems like an awful lot of work. And I still have not been sold on why I need this app in the first place.