It's very simple, you don't need to install IKEA asset library, you just need to add the folder paths in preferences for the asset browser and that's it!

If you have downloaded a recent update, replace the "blender_assets.cats.txt" file with the previous one.

Update - Realease log:

21 february 2024

• first  IKEA Library collection release with 1400 3d assets
• category ready for asset browser: bedroom, children, decorations, lamps, seatings, storages and tables.

 Update 1 - 04 march 2024

• release 86 new assets
• add new category in children: child games
• add new category in lamps: spotlight, wall light, lanterns and candles

 Update 2 -  18 march 2024

• add new category bathroom
• accessories, faucets, furniture and laundry
• release 152 new assets

 Update 3 -  2 april 2024

• integration category decorations
• clocks, doormats, hooks, plant stand, vases
• release 99 new assets

 Update 4 -  22 april 2024

• second integration category decorations
• varied and cushions
• release 118 new assets

 Update 5 - 05 may 2024

• last decorations integrations
• frames and mirrors
• release 111 new assets

 Update 6 - 21 may 2024

• kitchen category integration
• cookware, pot, kitchen faucets, mug and cup, plates, table set
• release 167 new assets

 Update 7 - 07 june 2024

• storages, wall shelves, bedroom headboard, shoe cabinets, bags and bin trash.
• release 135 new assets

 Update 8 - 25 june 2024

• kitchen utensils, tray and varied
• release 118 new assets

 Update 9 - 16 july 2024

• add new category in kitchen: bowl, flatware, carts, knives, cutting boards
• release 127 new assets

 Update 10 - august 2024

• outdoor furnitures: chair, tables, tools, umbrellas, floor
• release 77 new assets
• Now, with update, more than 2600 models

Update 11 - september 2024

• office chair, desk and furniture
• release 264 new assets
• see the image gallery for updates details
• Now, with update, more than 2900 models

Last update 12 - october 2024

• bar table, island kitchen and cooktop
• release 103 new assets
• see the image gallery for updates details
• Now, with update, more than 3000 models