I've heard of this happening to players before, even though they have gaming computers. Here's the instructions on how to switch back to Sims 4 standard edition.
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Sims 4 - Can I switch back to the standard edition?
If you update your computer to meet our latest
system requirements, you can launch The Sims 4 as normal.
Follow the steps below to switch to the 64 Bit edition of The Sims:
Find The Sims 4 in My Game Library within Origin.
Right-click The Sims 4 tile and choose Game Properties.
Switch to Advanced Launch Options.
Click the dropdown under When launching this game... and select The Sims 4™ 64 Bit.
If you are switching to a new computer, you can use the steps below to transfer any save files to the standard game.
Go to your Documents.
Open Electronic Arts.
Copy the folder titled The Sims 4 Legacy Edition.
Transfer the file to the same folder (Documents/Electronic Arts) on your new computer, and change the title to The Sims 4.
Launch the game.
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Reference Link:
The Sims 4 Legacy Edition
https://help.ea.com/en-us/help/the-sims/the-sims-4/the-sims-4-legacy-edition/