Step 1: Go to the Academic Software page of ArcGIS and choose your version from the drop-down menu on the right.
Step 2: Click on the green Request button to obtain your authorisation number.
Step 3: Download the installation file by clicking on the green button on the right.
Step 4: Open the installation file in your download folder.
Step 5: ArcGIS will first extract the installation files. Choose a location for these files and click Next. After the installation, you may delete these files.
Step 6: The installation files have been extracted. Click on Close.
Step 7: Now the actual installation will start. Click on Next.
Step 8: Accept the Master Agreement and click on Next.
Step 9: Choose whether only you or every user of the computer can use the software and click on Next.
Step 10: Click on Next.
Step 11: Choose whether you want to participate in the improvement program and click on Install.
Step 12: ArcGIS Pro is now installed. Click on Finish.
Step 13: Once the installation is complete, the login screen appears. Do not log in, but click on 'Configure your licensing options' at the bottom.
Step 14: Choose 'Single Use License' and click on the Authorize button at the bottom.
Step 15: Then select 'I have installed my software and need to authorize it' and click on Next.
Step 16: Choose 'Authorize with Esri now using the Internet' and click on Next.
Step 17: Fill in your details and click on Next.
Step 18: Enter the code from step 2.
Step 19: Choose'I do not want to authorize any extensions at this time' and click on Next.
ArcGIS Pro is authorised and ready to use.