Canva is an online tool. Try Photoshop or any photo editor to create your designs offline. You can even use PowerPoint.
If you use smartphone or iPad, mobile applications for Android and iOS are also available. App comes in handy but has limited functionality. Good enough to copy and edit previous designs though.
what you proficient using Photoshop, got me in the last few months error .. and thank you information .. you so generous
Google and YouTube are full of English language trainings in every language. You can improve by giving 30 minutes everyday.