1. First of all, you should disable your antivirus. Click the Start Menu, type Windows Security and then click on it.

2. Click Manage settings.

3. Turn off every protection feature by clicking the respective button.

4. This is how it will look like after you disable them.

5. Right-click on Adobe.Acrobat.Pro.DC.2021.rar and select Extract to. If you’re asked for a password, type 123.

6. Open the folder that you’ve extracted just now, right-click on the ISO file and click Mount.

7. If you receive a security warning, press the Open button.

8. Double-click on autoplay.exe.

9. If UAC (User Account Control) pops up, click Yes.

10. Press the Install button.

11. If you receive a security warning, hit the Run button.

12. Press the Install button.

13. Wait until the installation is finished.

14. Click Finish (do not launch Adobe Acrobat Pro DC 2021 yet)

15. Open the Crack folder.

16. Open the Patch folder.

17. Double-click on adobe.snr.patch.v2.0-painter.exe file.

18. If UAC (User Account Control) pops up, click Yes.

19. Click the pull-down button (1), scroll down until you find Adobe Acrobat Pro DC 2015 (32-Bit), then click on it (2).

20. Click the Patch button.

21. Once the patching is done, click the Close button.

22. Now you can use Adobe Acrobat Pro DC 2021 to open and edit your PDF files.