Home / Knowledgebase / REGISTRATIONREGISTRATION General Can I use the system using my computer or laptop? Can I register to the system without a phone number? Do I need username and password to log in? Can I sign into my account from different phone number? What happened if I change my cellular provider or phone number? If my phone was stolen or if I can’t find it? If my phone was stolen or if I can’t find it and I have a new number? What happened if I replaced my phone? How to invite friends and customers to use the app? How to edit profile (name, address, phone number)? How to edit preferences like work range and skills category? How to cancel my subscription? How do I bid on a job? How can I view old jobs? What is the bell icon on the right top corner? Where can I view all my notifications? Where can I see a tutorial on how to use the app? How can I log out from the App? What phone operating systems are supported by Diffe.rent? How to contact customer service?