diff --git a/src/pages/RegisterPage/Register.tsx b/src/pages/RegisterPage/Register.tsx
index 4a2ea85..c5a9fda 100644
--- a/src/pages/RegisterPage/Register.tsx
+++ b/src/pages/RegisterPage/Register.tsx
@@ -172,9 +172,29 @@ export default () => {
                     </FileField>
 
                     <Padding top={2} bottom={0} left={0} right={0}>
-                      <Row>
-                        <Button edges="curved" design="bo-primary" label="Register" onClick={generateSignature} wide />
-                      </Row>
+                      <Show when={file() && password()}>
+                        <Row>
+                          <Button edges="curved" design="bo-primary" label="Register" onClick={generateSignature} wide />
+                        </Row>
+                      </Show>
+
+                      <Show when={!file() && !password()}>
+                        <Row>
+                          <span class="already-registered">Need password and signature</span>
+                        </Row>
+                      </Show>
+
+                      <Show when={file() && !password()}>
+                        <Row>
+                          <span class="already-registered">Need password</span>
+                        </Row>
+                      </Show>
+
+                      <Show when={!file() && password()}>
+                        <Row>
+                          <span class="already-registered">Need signature</span>
+                        </Row>
+                      </Show>
                     </Padding>
                   </Show>
 
@@ -211,9 +231,17 @@ export default () => {
                     </FileField>
 
                     <Padding top={2} bottom={0} left={0} right={0}>
-                      <Row>
-                        <Button edges="curved" design="bo-primary" label="Register" onClick={generateSignature} wide />
-                      </Row>
+                      <Show when={file()}>
+                        <Row>
+                          <Button edges="curved" design="bo-primary" label="Register" onClick={generateSignature} wide />
+                        </Row>
+                      </Show>
+
+                      <Show when={!file()}>
+                        <Row>
+                          <span class="already-registered">Need signature</span>
+                        </Row>
+                      </Show>
                     </Padding>
                   </Show>