You can find the details of all your transactions including tokens send & receive, NFTs transactions, and staking on the History page.

Step 1: Open SubWallet homepage and choose the History tab.

Step 2: Click on the transaction you want to view the details of.

Now the details of the chosen transaction will appear on the right hand.

For some types of transaction (such as send transaction on mainnets), you will also have the "View on explorer" option.

If you choose the "View on explorer" button below, you will be directed to the Subscan website where you can see more detailed information about the transaction.

You might want to use the filter feature to see only transactions in a particular category. Click on the fader icon at the search bar.

Choose the type(s) of the transaction you want to see and click the "Apply filter" button below.