The Funding & Tenders Portal is the entry point (the Single Electronic Data Interchange Area) for participants and experts in funding programmes and tenders managed by the European Commission and other EU bodies.
It provides for the electronic management of EU programmes and tenders and facilitates the related interactions with the EU Institutions.

You can find detailed information about relevant section of your project application and implementation process via below links:

EU Login & Roles-Access Rights: 

https://webgate.ec.europa.eu/funding-tenders-opportunities/display/OM/EU+Login

PIC No Registration and Validation of PIC No of Your Organisation:

https://webgate.ec.europa.eu/funding-tenders-opportunities/display/OM/Registration+and+validation+of+your+organisation 

LEAR Appointment/Change: 

https://webgate.ec.europa.eu/funding-tenders-opportunities/display/OM/LEAR+appointment+and+validation

Financial Capacity Assesment:

https://webgate.ec.europa.eu/funding-tenders-opportunities/display/OM/Financial+capacity+assessment 

Grant Agreement Preparation:

https://webgate.ec.europa.eu/funding-tenders-opportunities/display/OM/Grant+preparation 

Grant Agreement Signature:

https://webgate.ec.europa.eu/funding-tenders-opportunities/display/OM/Grant+signature