check out👉this Video source: [https://www.youtube.com/watch?v=9H6B-oIVYIA]

Step1 Enable Developer Mode in Android device

Open Android system setting.
Search for About phone (for android 8&9) or tap on About phone for older version.
Tap 7x on Build Number(you will see a message saying 'you are now a developer).
Find Developer Option and toggle Enable USB Debugging
Then connect your Android device and Under 'USB computer connection' select Camera(PTP).

Step2 Install adb.

Click this link to know how install ADB [https://forum.xda-developers.com/showthread.php?t=2317790] ,
Click this link to download the ADB files [https://androidfilehost.com/?fid=746010030569952951]
Install the ADB file,
Navigate to the ADB folder(like thisC:\Program Files (x86)\Minimal ADB and Fastboot ), and double click on cmd-here application file and you will see a command prompt.
Enter the folowing command adb forward tcp:9222 localabstract:chrome_devtools_remote or abd devices or abd start-server
you will see some messages like error:no devices/emulators found or list of devices attacted or daemon not running: starting now at tcp5837, daemon started succesfully .

Note if you restart your computer the daemon server will stop, create and save a .dat file to automatically start the server after rebooting like this: Open a text editor and copy in "C:\Program Files (x86)\Minimal ADB and Fastboot\adb" devices
Save that file as adb.bat in the Windows Startup folder located at C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp

Step3 Install OEM USB drivers

Check out this link fron android developer site [https://developer.android.com/studio/run/oem-usb]

For me i used windows 8.1
Windows 8.1
To install the Android USB driver on Windows 8.1 for the first time, do the following:

1. Connect your Android device to your computer's USB port.

2. Access search, as follows:
   Touch screen: On your computer, swipe in from the right edge of the screen and tap Search.
   Using a mouse: Point to the lower-right corner of the screen, move the mouse pointer up, and then click Search.

3. In the search box, type into and then click Device Manager.

4. Double-click Android Device and Double click Android ADB interface .

5. Click the Driver tab, click Update Driver, select Browse my computer for driver software and Let me pick a device driver from my computer .

6. Navigate to where you downloaded the usb drivers folder, check out video to download Android Usb drivers on windows [https://www.youtube.com/watch?v=171KC_K3W4E] or check a direct download link [https://uptodrivers.com/adb-usb-drivers-free-download/] , click the Download ADB USB Driver Download the ADB USB Driver ZIP file (ZIP) .

7. Select Android ADB interface and click next and boom!!!

Once again you can refer to the video source link here: [https://www.youtube.com/watch?v=9H6B-oIVYIA]

Thanks for Reading :)