Add Download File functionality in Blogger Blog | Manage File Upload / Download in Blogger

1. Go to Google Drive
2. Create a separate folder named Blogger Files
3. Upload File to Allow Download from Blogger Blog
4. Click on Share and Copy Share URL for example:
https://docs.google.com/document/d/1hi2CHrvoE7_8vIG-17T6rzrSxtbTyHOsRLRvvA8x2RY/edit?usp=sharing

5. Copy FILE_ID from above link and Paste it in following link: https://drive.google.com/uc?export=download&id=FILE_ID
6. FILE_ID = 1hi2CHrvoE7_8vIG-17T6rzrSxtbTyHOsRLRvvA8x2RY as per point 4 (Extracted from URL) 

https://drive.google.com/uc?export=download&id=1hi2CHrvoE7_8vIG-17T6rzrSxtbTyHOsRLRvvA8x2RY

 7. Use the newly generated link across the blog. Let your readers enjoy downloading the files you share.
Happy Blogging :)