How to transfer files between your Android device and your PC using WiFi

1- By using Droid transfer :

Get download and install Droid Transfer on your PC and run it.
Download Transfer Companion App on your Android device.
Scan the Droid Transfer QR code by using the Transfer Companion App.
The computer and phone are now connected. Select the files that you want to transfer from your Android device and select "Copy to PC" in Droid Transfer.
To add more files from your PC to your Android phone, select Add File in Droid Transfer and choose a file on your PC you want to add to your device.

Method Two : Transferring files by Using Cloud Services

Go to any chosen cloud provider's network or website.
Register for your cloud service website or log in if you are already registered . Most provide a free storage option which gives a limited size of online storage, and you can pay for upgrade and increase the capacity.
Download the accompanying app on your android phone, and set up with your account details.
you will be able to transfer your files between all of your online connected devices, through your registered cloud storage.

Method Three : Bluetooth :

Switch on Bluetooth on your pc device computer and on your phone, and make sure that your device is discoverable.
On your PC, go to your Bluetooth settings (you can search for "Bluetooth" in your Start menu).
Select your Android phone from the list of devices, and pair.
You may be prompted to enter a pin code that will be provided, otherwise, you are paired (Image 1).

You might also need to allow the sending of files from your phone on your computer. If this is the case, you can do this by clicking "Send or receive files via Bluetooth" on the right of the Bluetooth options on your PC (Image 2).

Go ahead to the file you want to transfer from your phone (eg a photo, video , or music). select "Share option".
Share via your Bluetooth and save to your PC (Image 3).

Android Authority