To map OneDrive in your PC, you need your account' s unique ID. To get this unique ID, just logon to OneDrive from your browser;
The ID that I marked as yellow is my unique ID. Now, open your file browser, right clickt to "Network" tab and choose "Map Network Drive.."
This action will open a window called "Map Network Drive". Here, just choose a drive letter, and type this address to "Folder" field;
With clicking "Finish", it will start to map;
When it attempted succesfully, OneDrive is ready to use as a Drive in your PC.