Each supported version of SketchUp provides access to 3D Warehouse. The system requirements for 3D Warehouse are the same as the version of SketchUp you are using. Use these links to see the system requirements for each flavor of SketchUp:
Dear Customers,
Trimble Identity has implemented One-Time-Passcodes as the next evolution in account security. Trimble ID sign in now requires a secondary form of verification, a One-Time-Passcode, sent to your primary email.
For more information, see Mandatory One Time Passcode.
Sincerely,
The Trimble team at SketchUp